2008 Transportation MAP (Metropolitan Atlanta Performance) Report APPENDIX 38 APPENDIX 2008 Transportation MAP The Georgia Regional Transportation Authority 245 Peachtree Center Ave., NE Atlanta, GA 30303 404-463-3000 www.grta.org 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 39 APPENDIX Figure 1: NaviGAtor Video Detection Coverage Freeway Segments 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 40 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 33 mph 14 16 18 20 22 24 26 28 Time of Day PM Peak 2002 2005 2006 2007 65 mph Travel Time 35 mph Travel Time Segment 1: I-75 SB (from Wade Green Road to I-285) 12 14 16 35 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) Travel Time (minutes) Time of Day 11 65 mph 13 15 Time of Day PM Peak 2002 2005 2006 2007 65 mph Travel Time 35 mph Travel Time 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 41 Travel Time (minutes) 07 08 66 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 Travel Time (minutes) Time of Day 07 48 mph 08 09 10 11 12 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 07 08 09 58 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 57 mph 09 Time of Day 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 42 Travel Time (minutes) Segment 3: I-75/I-85 NB (from I-20 to I-85) 04 AM Peak Segment Length (miles) 4.41 55 mph Travel Time (minutes:seconds) 4:49 35 mph Travel Time (minutes:seconds) 7:33 05 06 39 mph 07 3: NB Travel Time (minutes) Time of Day 04 05 06 07 42 mph 08 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time 35 mph Travel Time Travel Time (minutes) Segment 3: I-75/I-85 SB (from I-85 to I-20) 04 AM Peak Segment Length (miles) 4.40 55 mph Travel Time (minutes:seconds) 4:48 35 mph Travel Time (minutes:seconds) 7:32 05 20 mph Travel Time (minutes:seconds) 13:11 06 42 mph 07 3: SB Time of Day 04 06 23 mph 08 10 12 14 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time 35 mph Travel Time 20 mph Travel Time Travel Time (minutes) Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 43 03 05 07 09 11 22 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 Travel Time (minutes) Travel Time (minutes) Time of Day 03 50 mph 04 05 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time 35 mph Travel Time 03 04 65 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 55 mph 05 Time of Day 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 44 Travel Time (minutes) 03 04 53 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 Travel Time (minutes) Time of Day 03 59 mph 04 05 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 03 04 59 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 50 mph 07 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 45 Travel Time (minutes) Segment 6: I-75 NB (from Hudson Bridge Road to I-285) 10 58 mph 12 AM Peak Segment Length (miles) 65 mph Travel Time (minutes:seconds) 14.53 13:25 14 6: NB 16 Travel Time (minutes) Time of Day 10 68 mph 12 PM Peak 14 Time of Day 2004 2005 2006 2007 65 mph Travel Time Travel Time (minutes) Segment 6: I-75 SB (from I-285 to Hudson Bridge Road) 10 69 mph AM Peak Segment Length (miles) 65 mph Travel Time (minutes:seconds) 14.45 13:20 12 6: SB 14 Travel Time (minutes) Time of Day 10 41 mph 12 14 16 18 20 22 Time of Day PM Peak 2004 2005 2006 2007 65 mph Travel Time 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 46 Travel Time (minutes) Segment 7: I-85 NB (from I-285 to Old Norcross Road) 09 AM Peak Segment Length (miles) 65 mph Travel Time (minutes:seconds) 10.71 9:53 35 mph Travel Time (minutes:seconds) 18:21 10 11 59 mph 12 7: NB Travel Time (minutes) Time of Day 10 12 27 mph 14 16 18 20 22 24 Time of Day PM Peak 2002 2005 2006 2007 65 mph Travel Time 35 mph Travel Time Travel Time (minutes) Segment 7: I-85 SB (from Old Norcross Road to I-285) 09 11 35 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 2005 2006 2007 65 mph Travel Time 35 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 47 Travel Time (minutes) 08 09 10 64 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 Travel Time (minutes) Time of Day 08 09 10 11 59 mph 12 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 09 10 11 12 13 51 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 10 46 mph 11 12 13 14 15 16 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 48 Travel Time (minutes) Segment 9: I-85 NB (from Camp Creek Parkway to I-75) 03 68 mph AM Peak Segment Length (miles) 4.86 55 mph Travel Time (minutes:seconds) 5:18 04 05 9: NB 06 Travel Time (minutes) Time of Day 03 72 mph 04 05 06 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) Segment 9: I-85 SB (from I-75 to Camp Creek Parkway) 03 64 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 58 mph 04 05 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 49 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) 13.14 12:08 22:31 39:24 10: NB Travel Time (minutes) Time of Day 12 16 25 mph 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 Travel Time (minutes) Travel Time (minutes) 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 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 50 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 Travel Time (minutes) Time of Day 05 60 mph 06 07 08 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) Segment 11: I-285 WB (from GA-400 to I-75) 06 AM Peak Segment Length (miles) 7.21 55 mph Travel Time (minutes:seconds) 7:52 35 mph Travel Time (minutes:seconds) 12:21 07 63 mph 08 11: WB Time of Day 07 08 09 10 11 12 13 14 15 29 mph Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time 35 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 51 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 Travel Time (minutes) Time of Day 06 08 10 12 14 16 18 25 mph 20 22 Time of Day PM Peak 2002 2005 2006 2007 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 33 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 Travel Time (minutes) Travel Time (minutes) Time of Day 05 06 07 08 09 43 mph 10 Time of Day PM Peak 2002 2005 2006 2007 55 mph Travel Time 35 mph Travel Time 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 52 Travel Time (minutes) Segment 13: I-285 NB (from US-78 to I-85) 04 05 31 mph 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 Travel Time (minutes) Time of Day 05 55 mph 06 07 08 09 10 Time of Day PM Peak 2004 2005 2006 2007 55 mph Travel Time 35 mph Travel Time Travel Time (minutes) 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 Travel Time (minutes) Time of Day 06 08 10 12 14 16 22 mph 18 Time of Day PM Peak 2004 2005 2006 2007 55 mph Travel Time 35 mph Travel Time 20 mph Travel Time 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 53 Travel Time (minutes) Segment 14: I-285 NB (from I-20 to US-78) 06 30 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 PM Peak Travel Time (minutes) 09 51 mph 10 Time of Day 2004 2005 2006 2007 55 mph Travel Time 35 mph Travel Time Travel Time (minutes) Segment 14: I-285 SB (from US-78 to I-20) 06 AM Peak AM Peak Segment Length (miles) 7.45 55 mph Travel Time (minutes:seconds) 8:08 07 08 62 mph 09 14: SB Time of Day 07 PM Peak PM Peak 08 09 47 mph 10 Time of Day 2004 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 54 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 Travel Time (minutes) Time of Day 05 64 mph 06 PM Peak PM Peak 07 08 Time of Day 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) Segment 15: I-20 WB (from I-75/I-85 to I-285) 06 63 mph AM Peak Segment Length (miles) 7.12 55 mph Travel Time (minutes:seconds) 7:46 07 15: WB 08 Time of Day 06 58 mph PM PeakPM Peak 07 08 Time of Day 2002 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 55 Travel Time (minutes) Segment 16: I-20 EB (from I-75/I-85 to I-285) 08 65 mph 09 AM Peak AM Peak Segment Length (miles) 55 mph Travel Time (minutes:seconds) 9.85 10:45 10 11 16: EB 12 Travel Time (minutes) Time of Day 08 52 mph 09 10 11 12 13 PM Peak PM Peak Time of Day 2003 2005 2006 2007 55 mph Travel Time Travel Time (minutes) Segment 16: I-20 WB (from I-285 to I-75/I-85) 08 09 10 11 12 13 43 mph 14 AM Peak AM Peak Segment Length (miles) 55 mph Travel Time (minutes:seconds) 9.39 10:15 16: WB Time of Day 08 PM PeakPM Peak 09 10 65 mph 11 Time of Day 2003 2005 2006 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 56 Travel Time (minutes) Segment 17: I-285 NB (from Airport Tunnel to I-675) 04 68 mph 05 AM Peak Segment Length (miles) 6.22 mph Travel Time (minutes:seconds) 6:47 06 07 17: NB 08 Travel Time (minutes) Time of Day 04 63 mph 05 06 07 08 Time of Day PM Peak 2007 55 mph Travel Time Travel Time (minutes) Segment 17: I-285 SB (from I-675 to Airport Tunnel) 04 AM Peak Segment Length (miles) 6.26 05 mph Travel Time (minutes:seconds) 6:50 06 07 68 mph 08 17: SB Time of Day 04 05 06 07 66 mph 08 Time of Day PM Peak 2007 55 mph Travel Time Travel Time (minutes) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 57 Travel Time (minutes) Segment 18: I-285 NB (from I-675 to I-20) 04 59 mph 05 06 07 08 09 10 AM Peak Segment Length (miles) 5.98 mph Travel Time (minutes:seconds) 6:31 18: NB Travel Time (minutes) Time of Day 04 05 06 07 08 09 55 mph 10 Time of Day PM Peak 2007 55 mph Travel Time Segment 18: I-285 SB (from I-20 to I-567) 04 05 06 07 08 09 66 mph 10 AM Peak AM Peak Segment Length (miles) 6.14 mph Travel Time (minutes:seconds) 6:42 18: SB Travel Time (minutes) Travel Time (minutes) Time of Day 04 05 06 07 08 09 61 mph 10 PM Peak PM Peak 2007 55 mph Travel Time Time of Day 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 58 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 2005 2006 2007 Time of Day Segment 1: I-75 SB (from Wade Green Road to I-285) 3.2 3.0 AM Peak 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 2005 2006 Time of Day 2007 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 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 59 Planning Time Index Segment 2: I-75 NB (from I-85 to I-285) 2.4 2.2 AM Peak Segment Length (miles) 8.45 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 Planning Time Index Time of Day 2.4 PM Peak 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 2002 2005 2006 Time of Day 2007 Segment 2: I-75 SB (from I-285 to I-85) 2.4 2.2 AM Peak Segment Length (miles) 7.86 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 Planning Time Index Planning Time Index Time of Day 2.4 PM Peak 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 2002 2005 2006 Time of Day 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 60 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 Planning Time Index Planning Time Index Time of Day 3.8 PM Peak 3.3 2.8 2.3 1.8 1.3 0.8 Time of Day 2002 2005 2006 2007 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 2005 2006 2007 Planning Time Index 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 61 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 Planning Time Index Time of Day 3.8 PM Peak 3.3 2.8 2.3 1.8 1.3 0.8 Time of Day 2002 2005 2006 2007 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 Planning Time Index Planning Time Index Time of Day 3.8 PM Peak 3.3 2.8 2.3 1.8 1.3 0.8 Time of Day 2002 2005 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 62 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 Planning Time Index Time of Day 2.2 PM Peak 2.0 1.8 1.6 1.4 1.2 1.0 2002 0.8 2005 2006 2007 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 Planning Time Index Planning Time Index Time of Day 2.2 PM Peak 2.0 1.8 1.6 1.4 1.2 1.0 2002 0.8 2005 2006 Time of Day 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 63 Planning Time Index Segment 6: I-75 NB (from Hudson Bridge Road to I-285) 3.2 3.0 AM Peak Segment Length (miles) 14.53 2.8 2.6 Free-flow (65 mph) Travel Time (minutes) 13.4 2.4 2.2 2.0 1.8 1.6 1.4 6: 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 2004 1.0 0.8 2005 2006 2007 Time of Day Segment 6: I-75 SB (from I-285 to Hudson Bridge Road) 3.2 3.0 AM Peak Segment Length (miles) 14.45 2.8 Free-flow (65 mph) Travel Time (minutes) 13.3 2.6 2.4 2.2 2.0 1.8 1.6 1.4 6: 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 2004 1.4 1.2 2005 1.0 2006 0.8 2007 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 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 64 Planning Time Index Planning Time Index Segment 7: I-85 NB (from I-285 to Old Norcross Road) AM Peak Segment Length (miles) 10.71 2.8 Free-flow (65 mph) Travel Time (minutes) 9.9 2.3 1.8 7: NB 1.3 0.8 Time of Day PM Peak 2.8 2.3 1.8 1.3 0.8 Time of Day 2002 2005 2006 2007 Segment 7: I-85 SB (from Old Norcross Road to I-285) AM Peak 2.8 Segment Length (miles) 10.66 Free-flow (65 mph) Travel Time (minutes) 9.8 2.3 1.8 1.3 7: SB 0.8 Planning Time Index Planning Time Index Time of Day PM Peak 2.8 2.3 1.8 1.3 0.8 Time of Day 2002 2005 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 65 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 2005 2006 2007 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 1.2 8: SB 1.0 0.8 Planning Time Index Planning Time Index Time of Day 2.0 PM Peak 1.8 1.6 1.4 1.2 1.0 0.8 Time of Day 2002 2005 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 66 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 Planning Time Index Time of Day 1.4 PM Peak 1.3 1.2 1.1 1.0 0.9 0.8 Time of Day 2002 2005 2006 2007 Segment 9: I-85 SB (from I-75 to Camp Creek Parkway) 1.4 AM Peak Segment Length (miles) 4.20 Free-flow (55 mph) Travel Time (minutes) 4.6 1.3 1.2 1.1 1.0 9: SB 0.9 0.8 Planning Time Index Planning Time Index Time of Day 1.4 PM Peak 1.3 1.2 1.1 1.0 0.9 0.8 Time of Day 2002 2005 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 67 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 1.8 1.3 10: NB 0.8 Planning Time Index Planning Time Index 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 1.8 10: SB 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 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 68 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 Planning Time Index Time of Day 3.3 PM Peak 2.8 2.3 1.8 1.3 0.8 Time of Day 2002 2005 2006 2007 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 Planning Time Index Planning Time Index 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 2005 2006 2007 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 69 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 1.8 12: EB 1.3 0.8 Planning Time Index Time of Day 4.3 PM Peak 3.8 3.3 2.8 2.3 1.8 1.3 0.8 2002 2005 2006 Time of Day 2007 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 Planning Time Index Planning Time Index Time of Day 4.3 PM Peak 3.8 3.3 2.8 2.3 1.8 1.3 2002 0.8 2005 2006 Time of Day 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 70 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 2005 Time of Day 2006 2007 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 Planning Time Index Planning Time Index Time of Day 4.3 PM Peak 3.8 3.3 2.8 2.3 1.8 1.3 0.8 2004 2005 Time of Day 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 71 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 Planning Time Index Time of Day 3.8 PM Peak 3.3 2.8 2.3 1.8 1.3 0.8 Time of Day 2004 2005 2006 2007 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 Planning Time Index Planning Time Index Time of Day 3.8 PM Peak 3.3 2.8 2.3 1.8 1.3 0.8 Time of Day 2004 2005 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 72 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 A 0.8 2002 2005 Time of Day 2006 2007 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 Planning Time Index Planning Time Index Time of Day 1.5 PM Peak 1.4 1.3 1.2 1.1 1.0 0.9 0.8 2002 2005 Time of Day 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 73 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 Planning Time Index Time of Day 2.2 PM Peak 2.0 1.8 1.6 1.4 1.2 1.0 0.8 2003 2005 Time of Day 2006 2007 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 Planning Time Index Planning Time Index Time of Day PM Peak 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 Time of Day 2003 2005 2006 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 74 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 ( mph) Travel Time (minutes) 6.8 1.0 0.9 0.8 17: NB 0.7 0.6 Planning Time Index Time of Day 1.2 PM Peak 1.1 1.0 0.9 0.8 0.7 0.6 2007 Planning Time Index 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 ( mph) Travel Time (minutes) 6.8 1.0 0.9 0.8 17: SB 0.7 0.6 Planning Time Index Time of Day 1.2 PM Peak 1.1 1.0 0.9 0.8 0.7 0.6 2007 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 75 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 ( mph) Travel Time (minutes) 0.0 1.6 1.4 1.2 18: NB 1.0 0.8 Planning Time Index Time of Day 2.0 PM Peak 1.8 1.6 1.4 1.2 1.0 0.8 2007 Planning Time Index 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 ( mph) Travel Time (minutes) 0.0 1.6 1.4 1.2 18: SB 1.0 0.8 Planning Time Index 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 Transportation MAP (Metropolitan Atlanta Performance) Appendix 76 Figure 4: Buffer Time Index by Freeway Segment Buffer Time Index (%) Segment 1: I-75 NB (from I-285 to Wade Green Road) 80 70 AM Peak Segment Length (miles) 14.00 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 2005 2006 2007 Time of Day Segment 1: I-75 SB (from Wade Green Road to I-285) 80 70 AM Peak 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 2005 2006 2007 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 (%) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 77 Buffer Time Index (%) Segment 2: I-75 NB (from I-85 to I-285) 100 90 AM Peak Segment Length (miles) 8.45 Free-flow (55 mph) Travel Time (minutes) 9.2 80 70 60 50 40 30 2: NB 20 10 0 Buffer Time Index (%) Time of Day 100 PM Peak 90 80 70 60 50 40 30 20 10 0 2002 2005 2006 Time of Day 2007 Segment 2: I-75 SB (from I-285 to I-85) 100 90 AM Peak Segment Length (miles) 7.86 Free-flow (55 mph) Travel Time (minutes) 8.6 80 70 60 50 40 2: SB 30 20 10 0 Buffer Time Index (%) Buffer Time Index (%) Time of Day 100 PM Peak 90 80 70 60 50 40 30 20 10 0 2002 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 78 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 120 PM Peak 100 80 60 40 20 0 Time of Day 2002 2005 2006 2007 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 2005 2006 2007 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 (%) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 79 Buffer Time Index (%) Segment 4: I-75 NB (from I-85 to I-20) 180 160 AM Peak Segment Length (miles) 3.88 Free-flow (55 mph) Travel Time (minutes) 4.2 140 120 100 80 60 4: NB 40 20 0 Buffer Time Index (%) Time of Day 180 PM Peak 160 140 120 100 80 60 40 20 2002 0 2005 2006 Time of Day 2007 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 180 PM Peak 160 140 120 100 80 60 40 20 0 2002 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 80 Buffer Time Index (%) Segment 5: I-75 NB (from I-285 to I-85) 80 70 AM Peak Segment Length (miles) 4.00 Free-flow (55 mph) Travel Time (minutes) 4.4 60 50 40 30 5: NB 20 10 0 Buffer Time Index (%) Time of Day 80 PM Peak 70 60 50 40 30 20 10 2002 0 2005 2006 2007 Time of Day Segment 5: I-75 SB (from I-85 to I-285) 80 70 AM Peak Segment Length (miles) 4.12 Free-flow (55 mph) Travel Time (minutes) 4.5 60 50 40 30 5: SB 20 10 0 Buffer Time Index (%) Buffer Time Index (%) Time of Day 80 PM Peak 70 60 50 40 30 20 2002 10 2005 0 2006 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 81 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 Buffer Time Index (%) Time of Day 120 PM Peak 100 80 60 2004 40 2005 20 2006 0 2007 Buffer Time Index (%) 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 Buffer Time Index (%) Time of Day 120 PM Peak 100 80 60 2004 40 2005 20 2006 0 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 82 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 2005 2006 Time of Day 2007 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 70 PM Peak 60 50 40 30 20 10 2002 0 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 83 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 2005 2006 Time of Day 2007 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 70 PM Peak 60 50 40 30 20 10 0 2002 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 84 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 20 9: NB 10 0 Buffer Time Index (%) Time of Day 60 PM Peak 50 40 30 20 10 2002 0 2005 2006 2007 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 60 PM Peak 50 40 30 20 10 2002 0 2005 2006 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 85 Buffer Time Index (%) Segment 10: GA-400 NB (from I-285 to Old Milton Parkway) 100 90 AM Peak Segment Length (miles) 13.14 Free-flow (65 mph) Travel Time (minutes) 12.1 80 70 60 50 40 30 20 10: NB 10 0 Buffer Time Index (%) Buffer Time Index (%) 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 30 10: SB 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 (%) 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 86 Buffer Time Index (%) Segment 11: I-285 EB (from I-75 to GA-400) 100 90 AM Peak Segment Length (miles) 6.82 Free-flow (55 mph) Travel Time (minutes) 7.4 80 70 60 50 40 11: EB 30 20 10 0 Buffer Time Index (%) Time of Day 100 PM Peak 90 80 70 60 50 40 30 2002 20 10 2005 0 2006 2007 Time of Day Segment 11: I-285 WB (from GA-400 to I-75) 100 90 AM Peak Segment Length (miles) 7.21 Free-flow (55 mph) Travel Time (minutes) 7.9 80 70 60 50 40 30 11: WB 20 10 0 Buffer Time Index (%) Buffer Time Index (%) Time of Day PM Peak 100 90 80 70 60 50 40 30 20 10 2002 0 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 87 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 Buffer Time Index (%) Time of Day 120 PM Peak 100 80 60 40 20 0 Time of Day 2002 2005 2006 2007 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 12: WB 40 20 0 Buffer Time Index (%) Buffer Time Index (%) Time of Day 120 PM Peak 100 80 60 40 20 2002 0 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 88 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 20 2004 0 2005 2006 2007 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 140 PM Peak 120 100 80 60 40 20 0 2004 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 89 Buffer Time Index (%) Segment 14: I-285 NB (from I-20 to US-78) 160 140 AM Peak Segment Length (miles) 8.20 Free-flow (55 mph) Travel Time (minutes) 8.9 120 100 80 60 14: NB 40 20 0 Buffer Time Index (%) Time of Day 160 PM Peak 140 120 100 80 60 40 20 2004 0 2005 2006 2007 Time of Day Segment 14: I-285 SB (from US-78 to I-20) 160 140 AM Peak AM Peak Segment Length (miles) 7.45 Free-flow (55 mph) Travel Time (minutes) 8.1 120 100 80 60 40 14: SB 20 0 Buffer Time Index (%) Buffer Time Index (%) Time of Day 160 PM Peak 140 PM Peak 120 100 80 60 40 2004 20 2005 0 2006 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 90 Buffer Time Index (%) Segment 15: I-20 EB (from I-285 to I-75/I-85) 60 50 AM Peak AM Peak Segment Length (miles) 6.43 Free-flow (55 mph) Travel Time (minutes) 7.0 40 30 20 15: EB 10 0 Buffer Time Index (%) Time of Day 60 PM Peak 50 PM Peak 40 30 20 10 2002 0 2005 2006 2007 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 Buffer Time Index (%) Buffer Time Index (%) Time of Day 60 PM PeakPM Peak 50 40 30 20 10 2002 0 2005 2006 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 91 Buffer Time Index (%) Segment 16: I-20 EB (from I-75/I-85 to I-285) 80 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 Buffer Time Index (%) Time of Day 80 PM Peak 70 PM Peak 60 50 40 30 20 10 0 2003 2005 2006 Time of Day 2007 Segment 16: I-20 WB (from I-285 to I-75/I-85) 80 70 AM Peak AM Peak Segment Length (miles) 9.39 Free-flow (55 mph) Travel Time (minutes) 10.2 60 50 40 30 20 16: WB 10 0 Buffer Time Index (%) Buffer Time Index (%) Time of Day PM Peak 80 70 60 50 40 30 20 10 2003 0 2005 2006 Time of Day 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 92 Buffer Time Index (%) Segment 17: I-285 NB (from Airport Tunnel to I-675) 30 25 AM Peak AM Peak Segment Length (miles) 6.22 Free-flow ( mph) Travel Time (minutes) 6.8 20 15 10 17: NB 5 0 Buffer Time Index (%) Time of Day 30 PM Peak PM Peak 25 20 15 10 5 A 0 2007 Buffer Time Index (%) Time of Day Segment 17: I-285 SB (from I-675 to Airport Tunnel) AM Peak 30 25 AM Peak Segment Length (miles) 6.26 Free-flow ( mph) Travel Time (minutes) 6.8 20 15 10 17: SB 5 0 Buffer Time Index (%) Time of Day PM Peak 30 25 20 15 10 5 0 2007 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. 2008 Transportation MAP (Metropolitan Atlanta Performance) Appendix 93 Buffer Time Index (%) Segment 18: I-285 NB (from I-675 to I-20) 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 Buffer Time Index (%) Time of Day 90 PM Peak 80 PM Peak 70 60 50 40 30 20 A 10 0 2007 Buffer Time Index (%) Time of Day Segment 18: I-285 SB (from I-20 to I-567) AM Peak 90 80 AM Peak Segment Length (miles) 6.14 Free-flow ( mph) Travel Time (minutes) 6.7 70 60 50 40 30 18: SB 20 10 0 Buffer Time Index (%) Time of Day PM Peak 90 80 70 60 50 40 30 20 10 0 2007 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. 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