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Railroads

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Positive Train Location End-of-Train Final Report

The overall goal of the Positive Train Location (PTL) end-of-train (EOT) project was to build on the successes of the PTL Phase II project and further refine the use cases, review/modify PTL EOT segment requirements, and identify a path forward for addressing technical issues from the previous...

Laser Triangulation for Track Change and Defect Detection

Pavemetrics Systems Inc. teamed with Amtrak to demonstrate the feasibility of automated track change detection using its Laser Rail Inspection System (LRAIL). LRAIL is a rail inspection system based on the principle of laser triangulation and combines pulsed high-power, invisible, laser line...