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HQ-2021-1473

On December 21, 2021, at approximately 7:18 p.m., CST, eastbound Kansas City Southern Railroad Company (KCS) Train M-SHAR-21 (Train 1) derailed in the Bovina community of Vicksburg, Mississippi. The derailment occurred on KCS’s Meridian Subdivision on single main track at Milepost (MP) 129.9,...

Framework for Wheel Life Model – Phase I

Researchers developed a model to predict the life of a freight railroad car wheel due to rolling contact fatigue, crack initiation and growth leading to fracture. The Phase I effort includes a literature survey, an estimation of hoop residual stress from manufacturing process, and the effects of...

Short Line Safety Institute: 2021 Systematic Review

The Short Line Safety Institute (SLSI) is dedicated to the continuous improvement of safety and safety culture across all short line and regional railroads in the United States. Strengthening a railroad’s safety culture may result in less frequent or severe accidents and create a safer working...

F40 CEM Locomotive and M1 Passenger Car Impact Test

An impact test with a F40 locomotive and a M1 passenger car was conducted to evaluate the performance of the vehicles under dynamic conditions. The locomotive was retrofitted with crash energy management (CEM) components – including a push-back coupler (PBC), deformable anti-climbers, and a...