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Track Inspection Time Study

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Full-Scale Locomotive Dynamic Crash Testing and Correlations: C-39 Type Locomotive Colliding with a Loaded Hopper Car (Test 7)

This report presents the results of a locomotive and three loaded hopper car consist traveling at 29 miles per hour colliding with a stationary consist of 35 loaded hopper cars. The details of test instrumentation, LS-DYNA finite element simulation, conducting of the test, and correlations between...

Full-Scale Locomotive Dynamic Crash Testing and Correlations: Offset Collisions between a Locomotive and a Covered Hopper Car (Test 4)

This report presents the test results and finite element correlations of a full-scale dynamic collision test with rail vehicles as part of the Federal Railroad Administration’s research program on improved crashworthiness of locomotive structures. This test involved the 30-mile per hour oblique...

Full-Scale Locomotive Dynamic Crash Testing and Correlations: Locomotive Consist Colliding with Steel Coil Truck at Grade Crossing (Test 3)

This report presents the test results and finite element correlations of a full-scale dynamic collision between a locomotive and a highway truck loaded with two heavy steel coils. The locomotive consist was moving at 58 miles per hour before it struck a highway truck carrying heavy steel coils. The...

Fatigue Crack Growth and Fracture Behavior of Bainitic Rail Steels

Railroad Industry Modal Profile: An Outline of the Railroad Industry Workforce Trends, Challenges, and Opportunities

The Department of Transportation (DOT) has initiated a National Workforce Development Strategy team, with representatives from each mode to establish a single DOT-wide profile of the Transportation Industry workforce. The profile will highlight the needs across the Department and the industry each...

Passenger Train Braking Model Development – Phase I

Transportation Technology Center, Inc., identified the requirements for developing a passenger train braking performance model, which herein results in submission of a stand-alone model requirements document, a summary of responses to an industry survey of passenger equipment and brake hardware,...

Technical Criteria and Procedures for Evaluating the Crashworthiness and Occupant Protection Performance of Alternatively Designed Passenger Rail Equipment for Use in Tier I Service

Rolling Contact Fatigue: A Comprehensive Review

On-Line High-Speed Rail Defect Detection, Part II

The objectives of this project were (1) to improve the defect detection reliability and (2) to improve the inspection speed of conventional rail defect detection methods. The prototype developed in this work uses noncontact transducers, ultrasonic guided waves, and real-time statistical pattern...

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