APTA PR-M-S-032-24

This document provides standards for the application and functionality of the passenger brake alarm and crew emergency brake device for new passenger equipment in the passenger railroad industry, including the design, activation and reset. The document is applicable to new passenger equipment as specified by the railroad. When applied to new Tier I and Tier II passenger cars/MU locomotives, the railroad should consult the FRA about a potential waiver regarding the direct acting emergency brake as contained in 49 CFR §238.5 and 49 CFR §238.231 prior to implementing the passenger brake alarm.