Broken Rail and Rollout Detection to Support QMB Operations

Researchers collaborated with a railroad advisory group to demonstrate the validity of a track circuit concept that supports the Quasi-Moving Block (QMB) method of train control. They performed proof-of-concept testing, capacity analysis, hazard analysis, and requirements development. ...

Sabine River & Northern Railroad 242 Program Approval Letter

Sabine River & Northern Railroad 240 Program Approval Letter

Dubois County Railroad 242 Program Approval Letter

Dubois County Railroad 240 Program Approval Letter

Rolling Contact Fatigue Testing of Two Different Wheel Steels Under Various Temperatures and Slip Ratios

This report presents the results and findings from a testing program conducted to investigate how wheel temperature may affect wheel surface performance, i.e., the development of rolling contact fatigue (RCF) and wear from November 2019. Under this testing program, a twin disc test machine was...

Quasi-Static and Dynamic Research Testing of Crashworthy Tables

Full-Scale Shell Impact Test of a DOT-113C120W9 Tank Car Filled with Liquid Nitrogen

On May 14, 2022, the Federal Railroad Administration (FRA) conducted a full-scale shell impact test (Test 13) of a DOT-113C120W9 (also identified as DOT-113) specification tank car at the Transportation Technology Center (TTC) in Pueblo, CO. This test was the final impact test in a planned...

Iowa Interstate 242 Program Approval Letter

Iowa Interstate 240 Program Approval Letter