Modeling performed as part of an evaluation of nine ITS implementation projects in San Antonio, Texas indicated that drivers of vehicles with in-vehicle navigation devices could experience an 8.1 percent reduction in delay.
Made Public Date
09/21/2000

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San Antonio
Texas
United States
Identifier
2007-00369
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Metropolitan Model Deployment Initiative: San Antonio Evaluation Report - Final Draft

Summary Information

This report summarized the results of several ITS evaluation projects in the city of San Antonio, Texas. San Antonio had a relatively extensive implementation of ITS prior to this study and, consequently, the incremental benefits experienced in San Antonio through expansion and additions to the existing system may be somewhat smaller than the benefits that could be achieved in areas with little prior implementation of ITS.

Improvements to elements of San Antonio’s traveler information system included the installation of In-Vehicle Navigation (IVN) devices in vehicles operated by public agencies in the San Antonio area. The IVN devices provided navigational assistance, incorporating information on congestion, incidents and railroad crossing status when planning trips.

The small number of publicly owned vehicles using the IVN devices led to no system impact from these devices, however, modeling results indicated significant potential benefits for individuals using the devices. Over a one-year period a traveler using an IVN device could experience an 8.1 percent reduction in delay, a 4.6 percent reduction in the crash rate, and a 3 percent reduction in fuel consumption.

Metropolitan Model Deployment Initiative: San Antonio Evaluation Report - Final Draft

Metropolitan Model Deployment Initiative: San Antonio Evaluation Report - Final Draft
Publication Sort Date
05/01/2000
Author
Carter, M., et al.
Publisher
Federal Highway Administration, U.S. DOT
Other Reference Number
Report No. FHWA-OP-00-017

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