1. Transportation Research Board. 2022. Highway Capacity Manual 7th Edition: A Guide for Multimodal Mobility Analysis. Washington, DC: The National Academies Press.
2. “A Policy on Geometric Design of Highways and Streets”, 7th Edition, American Association of State Highway and Transportation Officials, Washington DC, 2018.
3. FHWA, Highway Statistics 2020, https://www.fhwa.dot.gov/policyinformation/statistics/2020/vm202.cfm.
4. https://www.greencarcongress.com/2021/03/20210316-sivak.html#:~:text=For%20the%20entire%20United%20States,percentage%20of%20current%20truck%20traffic.
5. Courage, K., “Implementation and Evaluation of a Moving Merge Control System in Tampa”, FHWA-RD-78-29 Final Report, April 1979, pp. 99.