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Accident Investigation Summary Report HQ-2022-1654

On May 26, 2022, at approximately 3:45 p.m., EDT, a Norfolk Southern Railway Company (NS) freight train collided with a construction dump truck at a private grade crossing in Harmarville, Pennsylvania, on the Conemaugh Subdivision. The dump truck failed to stop at the crossing, resulting in the...

Accident Investigation Summary Report CFE-2021-16

On September 22, 2021, at approximately 2:40 p.m., CDT, a contractor for Union Pacific Railroad Company (UP) was fatally injured while performing maintenance work on a bridge in Castroville, Texas, near Milepost 240.65 on UP’s Del Rio Subdivision. The contractor, operating a hi-rail excavator...

Accident Investigation Summary Report HQ-2022-1548

On March 10, 2022, at approximately 10:33 a.m. PDT, a Caltrain Commuter Railroad Company (PCMZ) southbound passenger train collided with three stationary on-track maintenance vehicles at Milepost (MP) 11.6 in San Bruno, California. The collision caused a fire, derailment of the locomotive's...

Wheel Failure Investigation Program: Phase 3

Vertical Split Rims (VSRs) are one of the leading causes for wheel removals in North American freight rail service. The Federal Railroad Administration funded a research effort in which a group of researchers and subject matter experts explored a better understanding of VSRs using finite element...