1. NASA (2021). Regional Air Mobility: Leveraging Our National Investments to Energize the American Travel Experience.
2. TRB (2021). Innovations in Freight Data Workshop, Transportation Research Board (TRB), Freight Data Technical Standing Committee.
3. ATRI (2020). Analysis of the Opertional Costs of Trucking: 2020 Update, American Transportation Research Institute (ATRI).
4. Nagy, A.M., and Simon, V. (2021). Improving traffic prediction using congestion propagation patterns in smart cities. Adv. Eng. Inform., 50.
5. FHWA (2021). Driving Automation Systems in Long-Haul Trucking and Bus Transit: Preliminary Analysis of Potential Workforce Impacts.