Georgia. Department of Transportation. Office of Transportation Data. "Highway systems management : frequently asked questions." University of Georgia. Map and Government Information Library. 2014-10-22, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bt700-pt73-bm1-b2014-bh5-belec-p-btext.

Georgia. Department of Transportation. Office of Transportation Data (2014-10-22). Highway systems management : frequently asked questions. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bt700-pt73-bm1-b2014-bh5-belec-p-btext

Georgia. Department of Transportation. Office of Transportation Data. "Highway systems management : frequently asked questions." 2014-10-22. August 1, 2025. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bt700-pt73-bm1-b2014-bh5-belec-p-btext.