1. FHWA (Federal Highway Administration), The National Intersection Safety Problem (FHWA-SA-10-005) (Washington, DC: U.S. Department of Transportation, 2009)
2. Yuan, J. and Abdel-Aty, M., “Approach-Level Real-Time Crash Risk Analysis for Signalized Intersections,” Accid. Anal. Prev. 119 (2018): 274-289.
3. Federal Highway Administration, “About Intersection Safety,” August 18, 2020, https://safety.fhwa.dot.gov/intersection/about/index.cfm
4. Federal Highway Administration, “About Intersection Safety,” August 18, 2020, https://safety.fhwa.dot.gov/intersection/about/index.cfm
5. Fatality Analysis Reporting System, “2004-2017 Final File and 2018 Annual Report File,” April 18, 2020.