Two separate motor vehicle accidents caused by motorists traveling in the wrong direction along the Westpark Tollway occurred within a span of four months in late 2006. Both of these horrific accidents resulted in a number of fatalities. The Harris County Toll Road Authority (HCTRA) immediately began investigating technologies that could help detect vehicles entering the tollway in the wrong direction. After rigorously testing the reliability and accuracy of various technologies, HCTRA selected a readily deployable technology. Wrong way detection stations were designed and deployed at each egress point along the Westpark Tollway in addition to various locations along the tollway’s mainline, for a total of 14 separate detection sites.
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