1. VirtualBus video concept https://www.youtube.com/watch?v=3dHCVnKXN_g&feature=youtu.be.
2. Code of Virginia (1989) Title 43.2. Retrived from Motor vehicle Chapter 14: http://leg1.state.va.us/cgi-bin/legp504.exe?000+cod+46.2-1400.
3. Fogel, J., & Nehmad, E. (2009). Internet social network communities: Risk taking, trust, and privacy concerns. Computers in Human Behavior, 25(1), 153-160.
4. Kamar, E., & Horvitz, E. (2009, July). Collaboration and Shared Plans in the Open World: Studies of Ridesharing. Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence (IJCAI), Vol. 9, pp. 187-194.
5. Agatz, N., Erera, A., Savelsbergh, M., & Wang, X. (2012). Optimization for dynamic ride-sharing: A review. European Journal of Operational Research, 223, 295303.