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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

Tests to Create Broken Rims in Railroad Wheels

Document Series
Research Results
Federal Railroad Administration
Report Number
RR 23-11
Subject Rolling Stock
Wheel, broken rim, vertical split rim
Broken Rims.pdf (906.5 KB)

The FRA Office of Research, Development, and Technology and the Association of American Railroads (AAR) support research conducted by Transportation Technology Center, Inc. (TTCI) on the root cause of wheel-related accidents. The purpose of project was to improve wheel performance by gaining a solid understanding of the root causes of broken wheel rims and flanges. 

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Last updated: Monday, August 21, 2023