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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

General

Freight Car Reflectorization

This report examines five factors affecting the safety impact and costs associated with application of retroreflective materials to railroad freight cars to reduce the number of rail-highway crossing accidents in which motorists run into the side of a train in darkness. Measurements and...

Interim Report: Influence of Contact Patch Resistance on Loss of Shunt

The railroad signal community and the grade crossing equipment suppliers have reported an increase in the occurrence of loss of shunt on railroad grade crossing island circuits, as confirmed through an October 1990 Association of American Railroads’ (AAR) survey of railroad signal officers. Loss...

Nationwide Study of Train Whistle Bans

A national study examined the accident histories of grade crossings with whistle bans. Findings suggest that whistle bans increase the risk of accidents at crossings.

Vehicle Proximity Alert System : Prototype 1

As part of FRA Task Order 114, the Association of American Railroads (AAR) Transportation Technology Center (TTC), Pueblo, Colorado, completed testing of Vehicle Proximity Alert System (VP AS) system 1. VP AS systems are designed to give priority vehicle operators (emergency, police, school...