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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

North American Joint Positive Train Control System Four-Quadrant Gate Reliability Assessment

Document Series
Research Results
Sam Alibrahim, P.E.
Report Number
Subject Grade Crossing Technology, Highway-Rail Grade Crossings
Four-quadrant gate, reliability analysis, high-speed rail, mean time to failure, positive train control, vehicle detection
rr0810.pdf (134.23 KB)

This study assessed the reliability of four-quadrant gates and vehicle detection equipment for a future high-speed rail corridor between Chicago and St Louis. 

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Last updated: Wednesday, October 1, 2008