During November and December 2010, the Exploratory Advanced Research (EAR) Program supported a team that consisted of transportation professionals, academic faculty, and business entrepreneurs who visited informal carpool lines (also called slug lines or casual carpool lines) in Washington, DC; Houston, TX; and San Francisco, CA, to observe “slugs” and to compare practices among locations. The team also met with private ride—match providers, regional planners, carpool participants, and transportation planners and engineers with the overall goal of studying these ridesharing systems. The foundational knowledge gained on this scan will serve as a jumping-off point for future projects, collaborations, and system expansion. Appendix B to this report is published as FHWA-HRT-13-023, Appendix B to the Casual Carpooling Report. (Author/publisher)
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