2009 transportation metropolitan Atlanta performance report- Appendix 1

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

40

APPENDIX 1
2009 Transportation MAP Report

The Georgia Regional Transportation Authority 245 Peachtree Center Ave., NE Atlanta, GA 30303
404-463-3000 www.grta.org

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

41

APPENDIX 1
Figure 1: NaviGAtor Video Detection Coverage Freeway Segments

CHEROKEE
INTERSTATE
INTERSTATE GEORGIA
575

19

INTERSTATE
INTERSTATE
GEORGIA
75

COBB

FULTON
400
GWINNETT

Legend

1

NaviGAtor Instrumented Freeway Segments Future Coverage Segment Boundary
1-20 Segment Numbers

INTERSTATE
INTERSTATE
GE OR GIA
285

INTERSTAT E
INTERSTATE
GE OR GIA
285

11

10

INTERST ATE
INTERSTATE GE OR GIA

12

285

INTERSTATE
INTERSTATE
GEORGIA
75
2

400

INTERSTATE
INTERSTATE GE OR GIA
85

8

144

INT ERSTATE
INTERSTATE GEORGIA
85

7

13
INTERSTATE
INTERSTATE
GE OR GIA
285

78

INT ERSTATE
INTERSTATE GEORGIA
20

20
CITY OF ATLANTA
15
166

INTERSTAT E
INTERSTATE
GEORGIA
75/85
3
INTERSTATE
GE OR GIA
75/85
4

INTERSTAT E
INTERSTATE
GE OR GIA
285

9
INTERSTATE
INTERSTATE
GE OR GIA
85

INTERSTATE
INTERSTATE
GEORGIA
75
5

17

14 INTERSTATE INTERSTATE GEORGIA
285

16

INTERSTAT E
INTERSTATE GE OR GIA
20

INTERSTATE
INTERSTATE
GE OR GIA
285

18

DEKALB

FULTON

INTERSTATE
INTERSTATE
GE OR GIA
85

INTERSTAT E
INTERSTATE
GE OR GIA
285

INTERSTATE
INTERSTATE
GEORGIA
75

CLAYTON

INTERSTATE
INTERSTATE GEORGIA
675
6

ROCK HENRY DALE

FAYETTE

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

42

Figure 2: Travel Times by Freeway Segment

Travel Time (minutes)

Segment 1: I-75 NB (from I-285 to Wade Green Road)

10

66 mph

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

14.00 12:55 23:59

12
1: NB

14

Travel Time (minutes)

Time of Day

10

12

37 mph

14

16

18

20

22

24

26

28

Time of Day

PM Peak
2002 2006 2007 2008 65 mph Travel Time 35 mph Travel Time

Travel Time (minutes)

Segment 1: I-75 SB (from Wade Green Road to I-285)

12

14 16

41 mph

18

20

22

24

26

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

14.55 13:26 24:56

1: SB

Travel Time (minutes)

Time of Day 11
65 mph 13 15
Time of Day

PM Peak
2002 2006 2007 2008 65 mph Travel Time 35 mph Travel Time

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

43

Travel Time (minutes)

Travel Time (minutes)

07
08 64 mph
09
10

Segment 2: I-75 NB (from I-85 to I-285)

AM Peak

Segment Length (miles)

8.45

55 mph Travel Time (minutes:seconds) 9:13

2: NB

Time of Day
07 56 mph
08 09 10 11 12
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

07

08

09

51 mph

10

Segment 2: I-75 SB (from I-285 to I-85)

AM Peak

Segment Length (miles)

7.86

55 mph Travel Time (minutes:seconds) 8:34

2: SB

Time of Day

07

PM Peak

08 54 mph
09
Time of Day

2002 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

44

Travel Time (minutes)

Travel Time (minutes)

Segment 3: I-75/I-85 NB (from I-20 to I-85)

03

AM Peak

Segment Length (miles)

4.41

55 mph Travel Time (minutes:seconds) 4:49

04

35 mph Travel Time (minutes:seconds) 7:33

05

06

41 mph

07

3: NB

Time of Day

04

05

06

07

45 mph

08

Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time 35 mph Travel Time

Segment 3: I-75/I-85 SB (from I-85 to I-20)

03

04

05

06

51 mph

07

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds) 20 mph Travel Time (minutes:seconds)
3: SB

4.40 4:48 7:32 13:11

Time of Day

04

06

22 mph

08

10

12

14

Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time 35 mph Travel Time 20 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

45

Travel Time (minutes)

Travel Time (minutes)

03 05 07 09 11
30 mph 13

Segment 4: I-75 NB (from I-85 to I-20)

AM Peak

Segment Length (miles)

3.88

55 mph Travel Time (minutes:seconds) 4:14

35 mph Travel Time (minutes:seconds) 6:39

4: NB

Time of Day 03
57 mph 04 05
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time 35 mph Travel Time

03
04 67 mph
05

Segment 4: I-75 SB (from I-20 to I-85)

AM Peak

Segment Length (miles)

3.75

55 mph Travel Time (minutes:seconds) 4:05

4: SB

Time of Day

03

PM Peak

04 58 mph
05
Time of Day

2002 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

46

Travel Time (minutes)

Travel Time (minutes)

03
04 64 mph
05

Segment 5: I-75 NB (from I-285 to I-85)

AM Peak

Segment Length (miles)

4.00

55 mph Travel Time (minutes:seconds)

4:22

5: NB

Time of Day 03
62 mph 04 05
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

03
04 66 mph
05

Segment 5: I-75 SB (from I-85 to I-285)

AM Peak

Segment Length (miles)

4.12

55 mph Travel Time (minutes:seconds)

4:30

5: SB

Time of Day

03

04

05

06

57 mph

07

Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

47

Travel Time (minutes)

Travel Time (minutes)

Segment 6: I-75 NB (from Hudson Bridge Road to I-285)

10 56 mph
12

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds)

14.53 13:25

14

6: NB

16

Time of Day

10

62 mph

12

14

16

Time of Day

PM Peak
2004 2006 2007 2008 65 mph Travel Time

Segment 6: I-75 SB (from I-285 to Hudson Bridge Road)

10 65 mph

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds)

14.45 13:20

12
6: SB
14

Time of Day 10
47 mph 12 14 16 18 20 22
Time of Day

PM Peak
2004 2006 2007 2008 65 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

48

Travel Time (minutes)

Travel Time (minutes)

Segment 7: I-85 NB (from I-285 to Old Norcross Road)

09
10
11 63 mph
12

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

10.71 9:53 18:21

7: NB

Time of Day
10 34 mph
12 14 16 18 20 22 24
Time of Day

PM Peak
2002 2006 2007 2008 65 mph Travel Time 35 mph Travel Time

Segment 7: I-85 SB (from Old Norcross Road to I-285)

09

11

40 mph

13

15

17

19

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

10.66 9:50 18:16

7: SB

Time of Day 09

10

11

63 mph

12

Time of Day

PM Peak
2002 2006 2007 2008 65 mph Travel Time 35 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

49

Travel Time (minutes)

Travel Time (minutes)

08

09

10

67 mph

11

Segment 8: I-85 NB (from I-75 to I-285)

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds)

9.96 10:52

8: NB

Time of Day 08 09 10 11
61 mph 12
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

09

10

11

12

13

52 mph

14

Segment 8: I-85 SB (from I-285 to I-75)

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds)

10.45 11:24

8: SB

Time of Day
09 51 mph
10 11 12 13 14 15 16
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

50

Travel Time (minutes)

Travel Time (minutes)

Segment 9: I-85 NB (from Camp Creek Parkway to I-75)

03 66 mph

AM Peak

Segment Length (miles)

4.86

55 mph Travel Time (minutes:seconds) 5:18

04

05

9: NB

06

Time of Day 03
69 mph 04 05 06
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

Segment 9: I-85 SB (from I-75 to Camp Creek Parkway)

03 61 mph

AM Peak

Segment Length (miles)

4.20

35 mph mph Travel Time (minutes:seconds) 4:35

04
9: SB
05

Time of Day 03
59 mph 04 05
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

51

Travel Time (minutes)

Travel Time (minutes)

Segment 10: GA-400 NB (from I-285 to Old Milton Parkway)

12

14

35 mph

16

18

20

22

24

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds) 20 mph Travel Time (minutes:seconds)
10: NB

13.14 12:08 22:31 39:24

Time of Day
12 25 mph
16 20 24 28 32 36 40
Time of Day

PM Peak
2002 2003 2004 65 mph Travel Time 35 mph Travel Time 20 mph Travel Time

Segment 10: GA-400 SB (from Old Milton Parkway to I-285)

12

14

28 mph

16

18

20

22

24

26

28

30

AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

13.16 12:09 22:33

10: SB

Time of Day
12 40 mph
14 16 18 20 22 24
Time of Day

PM Peak
2002 2003 2004 65 mph Travel Time 35 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

52

Travel Time (minutes)

Travel Time (minutes)

Segment 11: I-285 EB (from I-75 to GA-400)

05 41 mph
06 07 08 09 10 11

AM Peak

Segment Length (miles)

6.82

55 mph Travel Time (minutes:seconds) 7:26

11: EB

Time of Day 05
60 mph 06 07 08
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time

Segment 11: I-285 WB (from GA-400 to I-75)

AM Peak

Segment Length (miles)

7.21

06

55 mph Travel Time (minutes:seconds) 7:52

35 mph Travel Time (minutes:seconds) 12:21

07 62 mph
08

11: WB

Time of Day
07 08 09 10 11 12 13 14 15
31 mph
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time 35 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

53

Travel Time (minutes)

Travel Time (minutes)

Segment 12: I-285 EB (from GA-400 to I-85)

05 63 mph
06

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds) 20 mph Travel Time (minutes:seconds)

6.48 7:04 11:06 19:26

07

12: EB

08

Time of Day
06 08 10 12 14 16
32 mph 18 20 22
Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time 35 mph Travel Time 20 mph Travel Time

Segment 12: I-285 WB (from I-85 to GA-400)

05

06

07

08

09

10

11

37 mph

12

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

6.37 6:57 10:55

12: WB

Time of Day

05

06

07

08

51 mph

09

10

Time of Day

PM Peak
2002 2006 2007 2008 55 mph Travel Time 35 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

54

Travel Time (minutes)

Travel Time (minutes)

Segment 13: I-285 NB (from US-78 to I-85)

04 40 mph
05 06 07 08 09 10 11

AM Peak

Segment Length (miles)

5.37

55 mph Travel Time (minutes:seconds)

5:51

35 mph Travel Time (minutes:seconds)

9:12

13: NB

Time of Day
05 57 mph
06 07 08 09 10
Time of Day

PM Peak
2004 2006 2007 2008 55 mph Travel Time 35 mph Travel Time

Segment 13: I-285 SB (from I-85 to US-78)

05
06 61 mph
07

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds) 20 mph Travel Time (minutes:seconds)
13: SB

5.89 6:26 10:05 17:39

Time of Day

06

08

10

12

14

16

18

24 mph

Time of Day

PM Peak

2004 2006 2007 2008 55 mph Travel Time 35 mph Travel Time 20 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

55

Travel Time (minutes)

Travel Time (minutes)

Segment 14: I-285 NB (from I-20 to US-78)

06 36 mph
08 10 12 14 16 18

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)
14: NB

8.20 8:57 14:03

Time of Day 08

09

10

53 mph

Time of Day

PM Peak
2004 2006 2007 2008 55 mph Travel Time 35 mph Travel Time

Segment 14: I-285 SB (from US-78 to I-20)

06

AM Peak

Segment Length (miles)

7.45

AM Peak

55 mph Travel Time (minutes:seconds)

8:08

07

08 63 mph
09

14: SB

Time of Day

07

PM Peak

PM Peak

08

09 48 mph
10
Time of Day

2004 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

56

Travel Time (minutes)

Travel Time (minutes)

Segment 15: I-20 EB (from I-285 to I-75/I-85)

05 58 mph
06

AM Peak

AM Peak

Segment Length (miles)

6.43

55 mph Travel Time (minutes:seconds) 7:01

07

15: EB

08

Time of Day

05 64 mph
06

PM Peak PM Peak

07

08

Time of Day

2002 2006 2007 2008 55 mph Travel Time

Segment 15: I-20 WB (from I-75/I-85 to I-285)

06 65 mph

AM Peak

Segment Length (miles)

7.12

55 mph Travel Time (minutes:seconds) 7:46

07
15: WB

08

Time of Day

06 60 mph

PM Peak PM Peak

07

08

Time of Day

2002 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

57

Travel Time (minutes)

Travel Time (minutes)

Segment 16: I-20 EB (from I-75/I-85 to I-285)

08 64 mph
09

AM Peak AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds)

9.85 10:45

10

11

16: EB

12

Time of Day

08 56 mph
09 10 11 12 13

PM Peak PM Peak

Time of Day

2003 2006 2007 2008 55 mph Travel Time

Segment 16: I-20 WB (from I-285 to I-75/I-85)

08

09

10

11

12

13

56 mph

14

AM Peak AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds)

9.39 10:15

16: WB

08

Time of Day

09

PM Peak PM Peak

10

11

65 mph

Time of Day

2003 2006 2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

58

Travel Time (minutes)

Travel Time (minutes)

Segment 17: I-285 NB (from Airport Tunnel to I-675)

04 67 mph
05

AM Peak

Segment Length (miles)

6.22

55 mph Travel Time (minutes:seconds)

6:47

06

07

17: NB

08

Title 04
64 mph 05 06 07 08
Title

PM Peak
2007 2008 55 mph Travel Time

Segment 17: I-285 SB (from I-675 to Airport Tunnel)

04

AM Peak

Segment Length (miles)

6.26

05

55 mph Travel Time (minutes:seconds)

6:50

06

07

67 mph

08

17: SB

Title
04 05 06 07
67 mph 08
Title

PM Peak
2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

59

Travel Time (minutes)

Travel Time (minutes)

Segment 18: I-285 NB (from I-675 to I-20)

04 62 mph
05

AM Peak

Segment Length (miles)

5.98

55 mph Travel Time (minutes:seconds) 6:31

06

07

18: NB

08

Title 04 05 06 07
60 mph 08
Title

PM Peak
2007 2008 55 mph Travel Time

Segment 18: I-285 SB (from I-20 to I-567)

04

AM Peak

Segment Length (miles)

6.14

05

AM Peak

55 mph Travel Time (minutes:seconds) 6:42

06

07

64 mph

08

18: SB

Time of Day

04

PM Peak

PM Peak

05

06

07 64 mph
08
Time of Day

2007 2008 55 mph Travel Time

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

60

Travel Time (minutes)

Travel Time (minutes)

Segment 19: I-575 NB (from I-75 to Hwy 92)

04

05

71 mph

06

07

08

09

10

11

12

AM Peak

Segment Length (miles)

7.15

65 mph Travel Time (minutes:seconds) 6:36

19: NB

Title

04

05

06

07

08

09

10

11

44 mph

12

Title

PM Peak
2008 65 mph Travel Time

Segment 19: I-575 SB (from Hwy 92 to I-75)

04

05

06

07

08

09

10

40 mph

11

12

AM Peak AM Peak

Segment Length (miles) 65 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

7.28 6:43 12:28

19: SB

Time of Day

04

05

06

07

08

09

10

11

68 mph

12

PM Peak PM Peak
2008 65 mph Travel Time

Time of Day

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

61

Travel Time (minutes)

Travel Time (minutes)

Segment 20: I-285 NB (from I-20 to I-75)

08

09

10

11

12

13

14

15

53 mph

16

17

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds)

9.45 10:19

20: NB

Title

08

09

10

11

12

13

14

15

63 mph

16

17

Title

PM Peak
2008 55 mph Travel Time

08

09

10

11

12

13

14

15

69 mph

16

17

Segment 20: I-285 SB (from I-75 to I-20)

AM Peak

Segment Length (miles) 55 mph Travel Time (minutes:seconds) 35 mph Travel Time (minutes:seconds)

10.52 11:29 18:02

20: SB

Time of Day

08

09

10

11

12

13

14

15

16

40 mph

17

PM Peak PM Peak
2008 55 mph Travel Time

Time of Day

Travel Time (minutes)

Travel Time (minutes)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

62

Figure 3: Planning Time Index by Freeway Segment

Planning Time Index

Segment 1: I-75 NB (from I-285 to Wade Green Road)

3.2 3.0

AM Peak

Segment Length (miles)

14.00

2.8

Free-flow (65 mph) Travel Time (minutes) 12.9

2.6

2.4

2.2

2.0

1.8 1.6 1.4

1: NB

1.2

1.0

0.8

Planning Time Index

Planning Time Index

Time of Day

3.2

PM Peak

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2 1.0

2002

0.8

2006

2007

2008

Time of Day

Segment 1: I-75 SB (from Wade Green Road to I-285)

3.2

AM Peak

3.0

Segment Length (miles)

14.55

2.8

Free-flow (65 mph) Travel Time (minutes) 13.4

2.6

2.4

2.2

2.0

1.8

1.6 1.4

1: SB

1.2

1.0

0.8

Time of Day

3.2

PM Peak

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

2002

0.8

2006

2007

2008

Time of Day

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

63

Planning Time Index

Planning Time Index

Segment 2: I-75 NB (from I-85 to I-285)

2.4

AM Peak

Segment Length (miles)

8.45

2.2

Free-flow (55 mph) Travel Time (minutes) 9.2

2.0

1.8

1.6 1.4

2: NB

1.2

1.0

0.8

Time of Day

2.4

PM Peak

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

2002

2006

2007

Time of Day

2008

Segment 2: I-75 SB (from I-285 to I-85)

2.4

AM Peak

Segment Length (miles)

7.86

2.2

Free-flow (55 mph) Travel Time (minutes) 8.6

2.0

1.8

1.6 1.4

2: SB

1.2

1.0

0.8

Time of Day

2.4

PM Peak

2.2

2.0 1.8

1.6

1.4 1.2

1.0

0.8

2002

2006

2007

Time of Day

2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

64

Planning Time Index

Planning Time Index

Segment 3: I-75/I-85 NB (from I-20 to I-85)

3.8

AM Peak

Segment Length (miles)

4.41

Free-flow (55 mph) Travel Time (minutes) 4.8

3.3

2.8

2.3

3: NB

1.8

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8

1.3 0.8
Time of Day

2002 2006 2007 2008

Segment 3: I-75/I-85 SB (from I-85 to I-20)

3.8

AM Peak

Segment Length (miles)

4.40

Free-flow (55 mph) Travel Time (minutes) 4.8

3.3

2.8

2.3

3: SB

1.8

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8

1.3

0.8

Time of Day
Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

2002 2006 2007 2008

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

65

Planning Time Index

Planning Time Index

Segment 4: I-75 NB (from I-85 to I-20)

4.3

AM Peak

Segment Length (miles)

3.88

Free-flow (55 mph) Travel Time (minutes) 4.2

3.8

3.3

2.8

2.3

4: NB

1.8

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8

1.3 0.8
Time of Day

2002 2006 2007 2008

Segment 4: I-75 SB (from I-20 to I-85)

3.8

AM Peak

Segment Length (miles)

3.75

Free-flow (55 mph) Travel Time (minutes) 4.1

3.3

2.8

2.3

4: SB

1.8

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8 1.3

0.8 Time of Day

2002 2006 2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

66

Planning Time Index

Planning Time Index

Segment 5: I-75 NB (from I-285 to I-85)

2.2

AM Peak

Segment Length (miles)

4.00

Free-flow (55 mph) Travel Time (minutes) 4.4

2.0

1.8

1.6

1.4

5: NB

1.2

1.0

0.8

Time of Day

2.2

PM Peak

2.0

1.8

1.6

1.4

1.2

1.0

2002

0.8

2006

2007

2008

Time of Day

Segment 5: I-75 SB (from I-85 to I-285)

2.2

AM Peak

Segment Length (miles)

4.12

Free-flow (55 mph) Travel Time (minutes) 4.5

2.0

1.8

1.6

1.4

5: SB

1.2

1.0

0.8

Time of Day

2.2

PM Peak

2.0

1.8

1.6

1.4

1.2

1.0

2002

0.8

2006

2007

Time of Day

2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

67

Planning Time Index

Planning Time Index

Segment 6: I-75 NB (from Hudson Bridge Road to I-285)

3.2

AM Peak

Segment Length (miles)

14.53

2.8

Free-flow (65 mph) Travel Time (minutes) 13.4

2.4

2.0

1.6

6: NB

1.2

0.8

Time of Day

3.2

PM Peak

2.8

2.4

2.0

1.6

1.2

2004

0.8

2006

2007

2008

Time of Day

Segment 6: I-75 SB (from I-285 to Hudson Bridge Road)

3.2

AM Peak

Segment Length (miles)

14.45

2.8

Free-flow (65 mph) Travel Time (minutes) 13.3

2.4

2.0

1.6

6: SB

1.2

0.8

Time of Day

3.2

PM Peak

2.8

2.4

2.0

1.6

2004

1.2

2006

2007

0.8 2008

Time of Day
Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

68

Planning Time Index

Planning Time Index

Segment 7: I-85 NB (from I-285 to Old Norcross Road)

3.8

AM Peak

Segment Length (miles)

10.71

Free-flow (65 mph) Travel Time (minutes) 9.9

3.3

2.8

2.3

7: NB

1.8

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8

1.3 0.8
Time of Day

2002 2006 2007 2008

Segment 7: I-85 SB (from Old Norcross Road to I-285)

3.8

AM Peak

Segment Length (miles)

10.66

3.3

Free-flow (65 mph) Travel Time (minutes) 9.8

2.8

2.3

1.8

7: SB

1.3

0.8

Time of Day

PM Peak 3.8

3.3

2.8

2.3

1.8

1.3 0.8
Time of Day

2002 2006 2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

69

Planning Time Index

Planning Time Index

Segment 8: I-85 NB (from I-75 to I-285)

AM Peak

Segment Length (miles)

9.96

2.0

Free-flow (55 mph) Travel Time (minutes) 10.9

1.8

1.6

1.4

8: NB

1.2

1.0

0.8

Time of Day

2.0

PM Peak

1.8

1.6

1.4

1.2

1.0 0.8
Time of Day

2002 2006 2007 2008

Segment 8: I-85 SB (from I-285 to I-75)

2.0

AM Peak

Segment Length (miles)

10.45

Free-flow (55 mph) Travel Time (minutes) 11.4

1.8

1.6

1.4

8: SB

1.2

1.0

0.8

Time of Day

2.0

PM Peak

1.8

1.6

1.4

1.2

1.0 0.8
Time of Day

2002 2006 2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

70

Planning Time Index

Planning Time Index

Segment 9: I-85 NB (from Camp Creek Parkway to I-75)

1.4

AM Peak

Segment Length (miles)

4.86

Free-flow (55 mph) Travel Time (minutes) 5.3

1.3

1.2

1.1 1.0

9: NB

0.9

0.8

Time of Day

1.4

PM Peak

1.3

1.2

1.1

1.0

0.9 0.8
Time of Day

2002 2006 2007 2008

Segment 9: I-85 SB (from I-75 to Camp Creek Parkway)

AM Peak

Segment Length (miles)

4.20

1.4

Free-flow (55 mph) Travel Time (minutes) 4.6

1.3

1.2

1.1

9: SB

1.0

0.9

0.8

Time of Day

1.4

PM Peak

1.3

1.2

1.1

1.0

0.9 0.8
Time of Day

2002 2006 2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

71

Planning Time Index

Planning Time Index

Segment 10: GA-400 NB (from I-285 to Old Milton Parkway)

4.3

AM Peak

Segment Length (miles)

13.14

Free-flow (65 mph) Travel Time (minutes) 12.1

3.8

3.3

2.8

2.3

10: NB

1.8

1.3

0.8

Time of Day

4.3

PM Peak

3.8

3.3

2.8

2.3

1.8

1.3

0.8

2002

2003

Time of Day

2004

Segment 10: GA-400 SB (from Old Milton Parkway to I-285)

4.3

AM Peak

Segment Length (miles)

13.16

Free-flow (65 mph) Travel Time (minutes) 12.1

3.8

3.3

2.8

2.3

10: SB

1.8

1.3

0.8

Time of Day

4.3

PM Peak

3.8

3.3

2.8

2.3

1.8

1.3

2002

0.8

2003

2004

Time of Day
Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

72

Planning Time Index

Planning Time Index

Segment 11: I-285 EB (from I-75 to GA-400)

3.3

AM Peak

Segment Length (miles)

6.82

Free-flow (55 mph) Travel Time (minutes) 7.4

2.8

2.3

1.8

11: EB

1.3

0.8

Time of Day

3.3

PM Peak

2.8

2.3

1.8

1.3 0.8
Time of Day

2002 2006 2007 2008

Segment 11: I-285 WB (from GA-400 to I-75)

3.3

AM Peak

Segment Length (miles)

7.21

Free-flow (55 mph) Travel Time (minutes) 7.9

2.8

2.3

1.8

11: WB

1.3

0.8

Time of Day PM Peak
3.3 2.8 2.3 1.8 1.3 0.8
Time of Day Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

2002 2006 2007 2008

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

73

Planning Time Index

Planning Time Index

Segment 12: I-285 EB (from GA-400 to I-85)

4.3

AM Peak

Segment Length (miles)

6.48

Free-flow (55 mph) Travel Time (minutes) 7.1

3.8

3.3

2.8

2.3

12: EB

1.8

1.3

0.8

Time of Day

4.3

PM Peak

3.8

3.3

2.8

2.3

1.8

1.3

0.8 2002

2006

2007

Time of Day

2008

Segment 12: I-285 EB (from I-85 to GA-400)

4.3

AM Peak

Segment Length (miles)

6.37

Free-flow (55 mph) Travel Time (minutes) 6.9

3.8

3.3

2.8

2.3

12: WB

1.8

1.3

0.8

Time of Day

4.3

PM Peak

3.8

3.3

2.8

2.3

1.8

1.3 2002
0.8 2006

2007

Time of Day

2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

74

Planning Time Index

Planning Time Index

Segment 13: I-285 NB (from US-78 to I-85)

4.3

AM Peak

Segment Length (miles)

5.37

3.8

Free-flow (55 mph) Travel Time (minutes) 5.9

3.3

2.8

2.3 1.8

13: NB

1.3

0.8

Time of Day

4.3

PM Peak

3.8

3.3

2.8

2.3

1.8

1.3

0.8

2004

2006

Time of Day

2007 2008

Segment 13: I-285 SB (from I-85 to US-78)

4.3

AM Peak

Segment Length (miles)

5.89

3.8

Free-flow (55 mph) Travel Time (minutes) 6.4

3.3

2.8

2.3

1.8

13: SB

1.3

0.8

Time of Day

4.8

PM Peak

4.3

3.8

3.3

2.8

2.3

1.8

1.3

0.8

2004

2006

Time of Day

2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

75

Planning Time Index

Planning Time Index

Segment 14: I-285 NB (from I-20 to US-78)

3.8

AM Peak

Segment Length (miles)

8.20

3.3

Free-flow (55 mph) Travel Time (minutes) 8.9

2.8

2.3

1.8

14: NB

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8

1.3

0.8 Time of Day

2004 2006 2007 2008

Segment 14: I-285 SB (from US-78 to I-20)

3.8

AM Peak

Segment Length (miles)

7.45

3.3

Free-flow (55 mph) Travel Time (minutes) 8.1

2.8

2.3

1.8

14: SB

1.3

0.8

Time of Day

3.8

PM Peak

3.3

2.8

2.3

1.8

1.3

0.8 Time of Day

2004 2006 2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

76

Planning Time Index

Planning Time Index

Segment 15: I-20 EB (from I-285 to I-75/I-85)

1.5

AM Peak

Segment Length (miles)

6.43

1.4

Free-flow (55 mph) Travel Time (minutes) 7.0

1.3

1.2

1.1 1.0

15: EB

0.9

0.8

Time of Day

1.5

PM Peak

1.4

1.3

1.2

1.1

1.0

0.9

0.8 2002

2006

2007

Time of Day

2008

Segment 15: I-20 WB (from I-75/I-85 to I-285)

1.5

AM Peak

Segment Length (miles)

7.12

1.4

Free-flow (55 mph) Travel Time (minutes) 7.8

1.3

1.2

1.1 1.0

15: WB

0.9

0.8

Time of Day

1.5

PM Peak

1.4

1.3

1.2

1.1

1.0

0.9

0.8 2002

2006

Time of Day

2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

77

Planning Time Index

Planning Time Index

Segment 16: I-20 EB (from I-75/I-85 to I-285)

2.2

AM Peak

Segment Length (miles)

9.85

2.0

Free-flow (55 mph) Travel Time (minutes) 10.7

1.8

1.6

1.4 1.2

16: EB

1.0

0.8

Time of Day

2.2

PM Peak

2.0

1.8

1.6

1.4

1.2

1.0

0.8 2003

2006

2007

Time of Day

2008

Segment 16: I-20 WB (from I-285 to I-75/I-85)

2.2

AM Peak

Segment Length (miles)

9.39

2.0

Free-flow (55 mph) Travel Time (minutes) 10.2

1.8

1.6

1.4 1.2

16: WB

1.0

0.8

Time of Day

PM Peak 2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

2003

2006

Time of Day

2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

78

Planning Time Index

Planning Time Index

Segment 17: I-285 NB (from Airport Tunnel to I-675)

1.2

AM Peak

Segment Length (miles)

6.22

1.1

Free-flow (55 mph) Travel Time (minutes) 6.8

1.0

0.9

0.8

17: NB

0.7

0.6

Time of Day

1.2

PM Peak

1.1

1.0

0.9

0.8

0.7

0.6

2007

2008

Time of Day

Segment 17: I-285 SB (from I-675 to Airport Tunnel)

AM Peak

1.2

Segment Length (miles)

6.26

1.1

Free-flow (55 mph) Travel Time (minutes) 6.8

1.0

0.9

0.8

17: SB

0.7

0.6

Time of Day

1.2

PM Peak

1.1

1.0

0.9

0.8

0.7

0.6

Time of Day

2007 2008

Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

79

Planning Time Index

Planning Time Index

Segment 18: I-285 NB (from I-675 to I-20)

2.0

AM Peak

Segment Length (miles)

5.98

1.8

Free-flow (55 mph) Travel Time (minutes) 6.5

1.6

1.4

1.2

18: NB

1.0

0.8

Time of Day

2.0

PM Peak

1.8

1.6

1.4

1.2

1.0

0.8

2007

2008

Time of Day

Segment 18: I-285 SB (from I-20 to I-567)

AM Peak

2.0

Segment Length (miles)

6.14

1.8

Free-flow (55 mph) Travel Time (minutes) 6.7

1.6

1.4

1.2

18: SB

1.0

0.8

Time of Day PM Peak
2.0 1.8 1.6 1.4 1.2 1.0 0.8
Time of Day
Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

2007 2008

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

80

Planning Time Index

Planning Time Index

Segment 19: I-575 NB (from I-75 to Hwy 92)

3.6

AM Peak

Segment Length (miles)

7.15

3.2

Free-flow (65 mph) Travel Time (minutes) 7.8

2.8

2.4

2.0

1.6

19: NB

1.2

0.8

Time of Day

3.6

PM Peak

3.2

2.8

2.4

2.0

1.6

1.2

0.8 2008

Time of Day

Segment 19: I-575 SB (from Hwy 92 to I-75)

AM Peak

3.6

Segment Length (miles)

7.28

3.2

Free-flow (65 mph) Travel Time (minutes) 7.9

2.8

2.4

2.0 1.6

19: SB

1.2

0.8

Time of Day PM Peak
3.6 3.2 2.8 2.4 2.0 1.6 1.2 0.8
Time of Day
Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

2008

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

81

Planning Time Index

Planning Time Index

Segment 20: I-285 NB (from I-20 to I-75)

2.4

AM Peak

Segment Length (miles)

9.45

2.2

Free-flow (55 mph) Travel Time (minutes) 10.3

2.0

1.8

1.6

1.4 1.2

20: NB

1.0

0.8

Time of Day

2.4

PM Peak

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

2008

Time of Day

Segment 20: I-285 SB (from I-75 to I-20)

2.4

AM Peak

Segment Length (miles)

10.52

2.2

Free-flow (55 mph) Travel Time (minutes) 11.5

2.0

1.8

1.6

1.4

20: SB

1.2

1.0

0.8

Time of Day

PM Peak

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

Time of Day
Note: Planning Time Index is expressed as the ratio of the planning time and free-flow travel time. Planning time represents the amount of time needed to be on-time 95 percent of the time.

2008

Planning Time Index

Planning Time Index

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

82

Figure 4: Buffer Time Index by Freeway Segment

Buffer Time Index (%)

Segment 1: I-75 NB (from I-285 to Wade Green Road)

80

AM Peak

Segment Length (miles)

14.00

70

Free-flow (65 mph) Travel Time (minutes) 12.9

60

50

40

30 20

1: NB

10

0

Buffer Time Index (%)

Buffer Time Index (%)

Time of Day

80

PM Peak

70

60

50

40

30

20

10

2002

0

2006

2007

2008

Time of Day

Segment 1: I-75 SB (from Wade Green Road to I-285)

80

AM Peak

70

Segment Length (miles)

14.55

Free-flow (65 mph) Travel Time (minutes) 13.4

60

50

40

30 20

1: SB

10

0

Time of Day

80

PM Peak

70

60 50 40

30

20

10

2002

0

2006

2007

2008

Time of Day

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

83

Buffer Time Index (%)

Buffer Time Index (%)

Segment 2: I-75 NB (from I-85 to I-285)

100

AM Peak

Segment Length (miles)

8.45

90

Free-flow (55 mph) Travel Time (minutes) 9.2

80

70

60

50 40

2: NB

30

20

10

0

Time of Day

100

PM Peak

90

80

70

60

50

40

30

20

10

0

2002

2006

2007

Time of Day

2008

Segment 2: I-75 SB (from I-285 to I-85)

100

AM Peak

Segment Length (miles)

7.86

90

Free-flow (55 mph) Travel Time (minutes) 8.6

80

70

60

50 40

2: SB

30

20

10

0

Time of Day

100

PM Peak

90

80

70

60

50

40

30

20

10

0

2002

2006

2007

Time of Day

2008

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

84

Buffer Time Index (%)

Buffer Time Index (%)

Segment 3: I-75/I-85 NB (from I-20 to I-85)

120

AM Peak

Segment Length (miles)

4.41

Free-flow (55 mph) Travel Time (minutes) 4.8

100

80

60

3: NB

40

20

0

Time of Day

120

PM Peak

100

80

60

40

20 0
Time of Day

2002 2006 2007 2008

Segment 3: I-75/I-85 SB (from I-85 to I-20)

120

AM Peak

Segment Length (miles)

4.40

Free-flow (55 mph) Travel Time (minutes) 4.8

100

80

60

3: SB

40

20

0

Time of Day

120

PM Peak

100

80

60

40

20

2002

0

2006

2007

2008

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

85

Buffer Time Index (%)

Buffer Time Index (%)

Segment 4: I-75 NB (from I-85 to I-20)

180

AM Peak

Segment Length (miles)

3.88

160

Free-flow (55 mph) Travel Time (minutes) 4.2

140

120

100

80

4: NB

60

40

20

0

Time of Day

180

PM Peak

160

140

120

100

80

60

40

20

2002

0

2006

2007

2008

Time of Day

Segment 4: I-75 SB (from I-20 to I-85)

180 160

AM Peak

Segment Length (miles)

3.75

Free-flow (55 mph) Travel Time (minutes) 4.1

140

120

100 80

4: SB

60

40

20

0

Time of Day

180

PM Peak

160

140

120

100

80

60

40

20

0

2002

2006

2007

Time of Day

2008

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

86

Buffer Time Index (%)

Buffer Time Index (%)

Segment 5: I-75 NB (from I-285 to I-85)

80

AM Peak

Segment Length (miles)

4.00

70

Free-flow (55 mph) Travel Time (minutes) 4.4

60

50

40 30

5: NB

20

10

0

Time of Day

80

PM Peak

70

60 50

40 30

20

10

2002

0

2006

2007

2008

Time of Day

Segment 5: I-75 SB (from I-85 to I-285)

80

AM Peak

Segment Length (miles)

4.12

70

Free-flow (55 mph) Travel Time (minutes) 4.5

60

50

40 30

5: SB

20

10

0

Time of Day

80

PM Peak

70

60

50

40

30

20

2002

10

2006

0

2007

2008

Time of Day

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

87

Buffer Time Index (%)

Buffer Time Index (%)

Segment 6: I-75 NB (from Hudson Bridge Road to I-285)

120

AM Peak

Segment Length (miles)

14.53

100

Free-flow (65 mph) Travel Time (minutes) 13.4

80

60

40

6: NB

20

0

Time of Day

120

PM Peak

100

80

60

2004

40

2006

20

2007

0

2008

Time of Day

Segment 6: I-75 SB (from I-285 to Hudson Bridge Road)

120

AM Peak

Segment Length (miles)

14.45

100

Free-flow (65 mph) Travel Time (minutes) 13.3

80

60

40

6: SB

20

0

Time of Day

120

PM Peak

100

80

60

2004

40

2006

20

2007

2008 0

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

88

Buffer Time Index (%)

Buffer Time Index (%)

Segment 7: I-85 NB (from I-285 to Old Norcross Road)

70

AM Peak

Segment Length (miles)

10.71

Free-flow (65 mph) Travel Time (minutes) 9.9

60

50

40

30

7: NB

20

10

0

Time of Day

70

PM Peak

60

50

40

30

20

10

2002

0

2006

2007

2008

Time of Day

Segment 7: I-85 SB (from Old Norcross Road to I-285)

70

AM Peak

Segment Length (miles)

10.66

60

Free-flow (65 mph) Travel Time (minutes) 9.8

50

40

30 20

7: SB

10

0

Time of Day

70

PM Peak

60

50

40

30

20

10

2002

0

2006

2007

2008

Time of Day

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

89

Buffer Time Index (%)

Buffer Time Index (%)

Segment 8: I-85 NB (from I-75 to I-285)

AM Peak

Segment Length (miles)

9.96

70

Free-flow (55 mph) Travel Time (minutes) 10.9

60

50

40 30

8: NB

20

10

0

Time of Day

70

PM Peak

60

50

40

30

20

10

0

2002

2006

2007

Time of Day

2008

Segment 8: I-85 SB (from I-285 to I-75)

70

AM Peak

Segment Length (miles)

10.45

Free-flow (55 mph) Travel Time (minutes) 11.4

60

50

40

30

8: SB

20

10

0

Time of Day

70

PM Peak

60

50

40

30

20

10

0

2002

2006

2007

Time of Day

2008

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

90

Buffer Time Index (%)

Buffer Time Index (%)

Segment 9: I-85 NB (from Camp Creek Parkway to I-75)

60

AM Peak

Segment Length (miles)

4.86

Free-flow (55 mph) Travel Time (minutes) 5.3

50

40

30

9: NB

20

10

0

Time of Day

60

PM Peak

50

40

30

20

10

2002

0

2006

2007

2008

Time of Day

Segment 9: I-85 SB (from I-75 to Camp Creek Parkway)

60

AM Peak

Segment Length (miles)

4.20

Free-flow (55 mph) Travel Time (minutes) 4.6

50

40

30

9: SB

20

10

0

Time of Day

60

PM Peak

50

40

30

20

10

2002

0

2006

2007

2008

Time of Day

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

91

Buffer Time Index (%)

Buffer Time Index (%)

Segment 10: GA-400 NB (from I-285 to Old Milton Parkway)

100

AM Peak

Segment Length (miles)

13.14

90

Free-flow (65 mph) Travel Time (minutes) 12.1

80

70

60

50

40 30

10: NB

20

10

0

Time of Day

100

PM Peak

90

80

70

60

50

40

30

20

10

0

2002

2003

Time of Day

2004

Segment 10: GA-400 SB (from Old Milton Parkway to I-285)

100 90

AM Peak

Segment Length (miles)

13.16

Free-flow (65 mph) Travel Time (minutes) 12.1

80

70

60

50 40

10: SB

30

20

10

0

Time of Day

100

PM Peak

90

80

70

60

50

40

30

20

10

2002

0

2003

2004

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

92

Buffer Time Index (%)

Buffer Time Index (%)

Segment 11: I-285 EB (from I-75 to GA-400)

100

AM Peak

Segment Length (miles)

6.82

90

Free-flow (55 mph) Travel Time (minutes) 7.4

80

70

60

50 40

11: EB

30

20

10

0

Time of Day

100

PM Peak

90

80

70

60

50

40

30

2002

20 10

2006

0

2007

2008

Time of Day

Segment 11: I-285 WB (from GA-400 to I-75)

AM Peak

Segment Length (miles)

7.21

100 90

Free-flow (55 mph) Travel Time (minutes) 7.9

80

70

60

50 40

11: WB

30

20

10

0

Time of Day

PM Peak

100

90

80

70

60

50

40

30

20

10

2002

0

2006

2007

Time of Day

2008

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

93

Buffer Time Index (%)

Buffer Time Index (%)

Segment 12: I-285 EB (from GA-400 to I-85)

120

AM Peak

Segment Length (miles)

6.48

Free-flow (55 mph) Travel Time (minutes) 7.1

100

80

60 40

12: EB

20

0

Time of Day

PM Peak 120

100

80

60

40

20

0 Time of Day

2002 2006 2007 2008

Segment 12: I-285 EB (from I-85 to GA-400)

120

AM Peak

Segment Length (miles)

6.37

Free-flow (55 mph) Travel Time (minutes) 6.9

100

80

60 40

12: WB

20

0

Time of Day

120

PM Peak

100

80

60

40 2002
20 2006
0
2007

2008

Time of Day

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

94

Buffer Time Index (%)

Buffer Time Index (%)

Segment 13: I-285 NB (from US-78 to I-85)

140

AM Peak

Segment Length (miles)

5.37

120

Free-flow (55 mph) Travel Time (minutes) 5.9

100

80

60 40

13: NB

20

0

Time of Day

140

PM Peak

120

100

80

60

40 2004
20 2006
0 2007

2008

Time of Day

Segment 13: I-285 SB (from I-85 to US-78)

140

AM Peak

Segment Length (miles)

5.89

120

Free-flow (55 mph) Travel Time (minutes) 6.4

100

80

60 40

13: SB

20

0

Time of Day

140

PM Peak

120

100

80

60

40

20

0

2004

2006

2007

Time of Day

2008

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

95

Buffer Time Index (%)

Buffer Time Index (%)

Segment 14: I-285 NB (from I-20 to US-78)

160

AM Peak

Segment Length (miles)

8.20

140

Free-flow (55 mph) Travel Time (minutes) 8.9

120

100

80

60

14: NB

40

20

0

Time of Day

160

PM Peak

140

120

100

80

60

40 2004
20

0

2006

2007

2008

Time of Day

Segment 14: I-285 SB (from US-78 to I-20)

160

AM Peak

Segment Length (miles)

7.45

140

AM Peak

Free-flow (55 mph) Travel Time (minutes) 8.1

120

100

80

60 40

14: SB

20

0

Time of Day

160

PM Peak

140

PM Peak

120 100

80

60

40

2004

20

2006

0

2007

2008

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

96

Buffer Time Index (%)

Buffer Time Index (%)

Segment 15: I-20 EB (from I-285 to I-75/I-85)

60

AM Peak

50

AM Peak

Segment Length (miles)

6.43

Free-flow (55 mph) Travel Time (minutes) 7.0

40

30

20

15: EB

10

0

Time of Day

60

PM Peak

PM Peak

50

40

30

20

10

2002

0

2006

2007

2008

Time of Day

Segment 15: I-20 WB (from I-75/I-85 to I-285)

60

AM Peak

Segment Length (miles)

7.12

50

Free-flow (55 mph) Travel Time (minutes) 7.8

40

AM Peak

30

20

15: WB

10

0

Time of Day

50

PM Peak PM Peak

45

40

35

30

25

20

15

10

5

2002

0

2006

2007

2008

Time of Day

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

97

Buffer Time Index (%)

Buffer Time Index (%)

Segment 16: I-20 EB (from I-75/I-85 to I-285)

80

AM Peak

70

AM Peak

Segment Length (miles)

9.85

Free-flow (55 mph) Travel Time (minutes) 10.7

60

50

40

30 20

16: EB

10

0

Time of Day

80

PM Peak

70

PM Peak

60

50

40

30

20

10

0 2003

2006

2007

Time of Day

2008

Segment 16: I-20 WB (from I-285 to I-75/I-85)

80

AM Peak

Segment Length (miles)

9.39

70

AM Peak

Free-flow (55 mph) Travel Time (minutes) 10.2

60

50

40

30 20

16: WB

10

0

Time of Day

PM Peak 80

70

60

50

40

30

20

10

2003

0

2006

2007

Time of Day

2008

Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

98

Buffer Time Index (%)

Buffer Time Index (%)

Segment 17: I-285 NB (from I-675 to I-20)

30

AM Peak

AM Peak

Segment Length (miles)

6.22

25

Free-flow ( mph) Travel Time (minutes)

6.8

20

15

10

17: NB

5

0

Time of Day

30

PM Peak

PM Peak

25

20

15

10

5

A

0

2007

2008

Time of Day

Segment 17: I-285 SB (from I-20 to I-567)

AM Peak

30

Segment Length (miles)

6.26

25

AM Peak

Free-flow ( mph) Travel Time (minutes)

6.8

20

15

10

17: SB

5

0

Time of Day

PM Peak

30

25

20

15

10

5

0

2007

2008

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

99

Buffer Time Index (%)

Buffer Time Index (%)

Segment 18: I-285 NB (from Airport Tunnel to I-675)

90 80 70

AM Peak

AM Peak

Segment Length (miles)

5.98

Free-flow ( mph) Travel Time (minutes)

6.5

60

50

40 30

18: NB

20

10

0

Time of Day

90

PM Peak

80

PM Peak

70

60

50

40

30

20

10

0

2007

2008

Time of Day

Segment 18: I-285 SB (from I-675 to Airport Tunnel)

AM Peak

90

Segment Length (miles)

6.14

80

AM Peak

Free-flow ( mph) Travel Time (minutes)

6.7

70

60

50

40 30

18: SB

20

10

0

Time of Day

PM Peak

90

80

70

60

50

40

30

20

10

0

2007

2008

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

100

Buffer Time Index (%)

Buffer Time Index (%)

Segment 19: I-575 NB (from I-75 to Hwy 92)

120

AM Peak

AM Peak

Segment Length (miles)

7.15

100

Free-flow ( mph) Travel Time (minutes)

6.6

80

60

40

19: NB

20

0

Time of Day

120

PM Peak

PM Peak

100

80

60

40

20

A

0

2008

Time of Day

Segment 19: I-575 SB (from Hwy 92 to I-75)

AM Peak

120

Segment Length (miles)

7.28

100

AM Peak

Free-flow ( mph) Travel Time (minutes)

6.7

80

60

40

19: SB

20

0

Time of Day

PM Peak

120

100

80

60

40

20

0

2008

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 1

101

Buffer Time Index (%)

Buffer Time Index (%)

Segment 20: I-285 NB (from I-20 to I-75)

90 80 70

AM Peak

AM Peak

Segment Length (miles)

9.45

Free-flow ( mph) Travel Time (minutes)

10.3

60

50

40

30 20

20: NB

10

0

Time of Day

PM Peak

90

80

PM Peak

70

60

50

40

30

20

10

0

2008

Time of Day

Segment 20: I-285 SB (from I-75 to I-20)

AM Peak

90

Segment Length (miles)

10.52

80

AM Peak

Free-flow ( mph) Travel Time (minutes)

11.5

70

60

50

40 30

20: SB

20

10

0

Time of Day

PM Peak

90

80

70

60

50

40

30

20

10

0

2008

Time of Day
Note: Buffer Time Index represents the amount of extra "buffer" needed to be on-time 95 percent of the time and is expressed as a percentage of the average travel time.

Buffer Time Index (%)

Buffer Time Index (%)

2009 Transportation MAP (Metropolitan Atlanta Performance) Report Appendix 2

102

APPENDIX 2
2009 Transportation MAP Report

The Georgia Regional Transportation Authority 245 Peachtree Center Ave., NE Atlanta, GA 30303
404-463-3000 www.grta.org

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 2

103

2009 Transportation MAP (Metropolitan Atlanta Performance) Appendix 2

104

The Georgia Regional Transportation Authority 245 Peachtree Center Ave., NE Atlanta, GA 30303
404-463-3000 www.grta.org