John Hennessy III,
P.E.
These days GPS makes a transportation planner’s research effort much easier. Until now access to the data created wasn’t so easy. Watch the video to see how FHWA’s Office of Planning, Environment and Realty’s Research Program teamed with U.S. Department of Energy’s National Renewable Energy Laboratory to access secure travel data on the web.
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MINETA TRANSPORTATION INSTITUTE
Taxis provide an alternative to conventional public transit services in many cities, and understanding the demand for taxis requires consideration of the role that taxis serve in the greater transportation system. This report presents the results of a study to model taxi demand across time and space, explicitly accounting for the presence and quality of transit service. The primary objective of the study was to identify the factors that drive taxi demand and to understand how this varies by location and time of day. This was accomplished by developing demand models for taxi trip generation and mode choice that explicitly account for the characteristics of transit service in the neighborhoods where trips are made. The resulting insights are useful for making regulatory, planning, and engineering decisions about how to manage taxi markets, accounting for their role in the transportation system.
NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM
Given the need for more data to support a wide range of transportation planning and modeling activities, combined with ongoing budgetary constraints, the time has come to clearly and objectively evaluate the multiple sources of GPS data that could be leveraged and used for transportation planning beyond the traditional application area of travel time and speed studies.
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