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This report is an archived publication and may contain dated technical, contact, and link information
Publication Number: FHWA-HRT-12-053
Date: November 2012


Casual Carpooling Scan Report

About the Exploratory Advanced Research Program

FHWA's Exploratory Advanced Research (EAR) Program focuses on long-term, high-risk research with a high payoff potential. The program addresses underlying gaps faced by applied highway research programs, anticipates emerging issues with national implications, and reflects broad transportation industry goals and objectives.

To learn more about the EAR Program, visit the EAR Web site at The site features information on research solicitations, updates on ongoing research, links to published materials, summaries of past EAR Program events, and details on upcoming events.

For additional information, contact David Kuehn, FHWA, 202-493-3414 (email:; or Terry Halkyard, FHWA, 202-493-3467 (email:; or Zachary Ellis, FHWA, 202-493-3193 (email:


United States Department of Transportation - Federal Highway Administration