Low-Speed Curving Performance of Railroad Passenger Equipment


This standard contains requirements for evaluating low-speed vehicle curving performance of railroad passenger equipment.

Document History
Document Number Version Publication Date Publication Related Information
APTA PR-M-S-031-22 Original 09/22/2022 Current Proposed for CFR Citation


derailments, low-speed curving performance, multi-body simulations, rail vehicle dynamics, suspension, track twist, warp, wheel climb, wheel load equalization, wheel unloading


This standard defines vehicle and track conditions to evaluate the ability of passenger equipment to resist wheel climb derailments when operating at low speeds over track curves with high-degree of curvature. The methodology in this standard shall be used for simulations conducted using industry-accepted rail vehicle dynamics software.

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