TravInfo is a regional traveler information system in the San Francisco Bay Area. It was a Field Operational Test (FOT) over a two-year period from September 1996 to September 1998 with funding from the Federal Highway Administration and the California Department of Transportation (Caltrans)....

This paper presents a discussion on how traffic information is obtained and how the congestion of a major freeway affects travel behavior. It reports on survey results of commuters affected by two highway incidents south of San Francisco. The survey collected information on travel behavior, how...