Cost

In Orange County, California, the cost of software for posting travel times on dynamic message signs (DMS) was $50,000.


9/22/2006
Orange County,California,United States


Summary Information

The California Department of Transportation (Caltrans) added software, at a cost of $50,000, to display travel times on dynamic message signs (DMS) in Orange County. The information comes from a system of 5,500 sensors embedded in freeway lanes to measure the number of cars and their speeds. A computer calculates that information and updates travel times on the overhead freeway signs about every three minutes to give Orange County motorists an estimate of how long their drives will take to reach major interchanges.

The information is displayed on existing DMS that already provided information about traffic incidents and Amber alerts. The sensors have been used for years to monitor traffic and post information on Caltrans' Web site; but Caltrans only recently began posting travel time information on DMS in Los Angeles and other counties in California.


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Source

Motorists go both ways on signs

Author: ERIC CARPENTER and ERIN UY

Source Date: 9/22/2006

URL: http://www.ocregister.com/ocregister/homepage/abox/article_1284110.php

System Cost

System Software: $50,000

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Cost ID: 2009-00189