Georgia. Department of Transportation. Office of Performance-Based Management and Research. "Transportation performance management for system operations : development of processes, tools, measures and targets." University of Georgia. Map and Government Information Library. 2020-10, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bt700-pr4-bm1-b2020-bt7-belec-p-btext.

Georgia. Department of Transportation. Office of Performance-Based Management and Research (2020-10). Transportation performance management for system operations : development of processes, tools, measures and targets. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bt700-pr4-bm1-b2020-bt7-belec-p-btext

Georgia. Department of Transportation. Office of Performance-Based Management and Research. "Transportation performance management for system operations : development of processes, tools, measures and targets." 2020-10. November 1, 2026. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bt700-pr4-bm1-b2020-bt7-belec-p-btext.