1. NHTSA: National Automotive Sampling System (NASS) General Estimates System (GES): Analytical User’s Manual 1988–2015 (2016). https://crashstats.nhtsa.dot.gov/#/PublicationList/107
2. NHTSA: Fatal Accident Reporting System: Analytical User’s Manual 1975–2017 (2018). https://crashstats.nhtsa.dot.gov/#/PublicationList/106
3. Benson, A., Arnold, L., Tefft, B., Horrey, W.J.: Hit-and-run crashes: prevalence, contributing factors and countermeasures. In: AAA Foundation for Traffic Safety (2018). https://aaafoundation.org/hit-and-run-crashes-prevalence-contributing-factors-and-countermeasures/
4. Caltrans: 2014 California Manual on Uniform Traffic Control Devices (CA MUTCD, Rev 4) (2014). https://dot.ca.gov/programs/traffic-operations/camutcd
5. Harder, K.A., Bloomfield, J., Chihak, B.J.: The effectiveness and safety of traffic and non-traffic related messages presented on changeable message signs (CMS). Minnesota Department of Transportation, Minnesota (2003). http://www.its.umn.edu/Publications/ResearchReports/reportdetail.html?id=703