This standard specifies the terms and definitions, classification, structural codes, materials, general requirements, technical requirements, inspection methods, inspection rules, packaging, marking, transportation and storage of passenger buses and special school bus passenger passages and approach gauges. This standard applies to passenger door approaches, passages, emergency door approaches, and emergency window gauges for M2 and M3 passenger buses and special school buses.
T/CMA JD025-2020 history
2020T/CMA JD025-2020 General Technical Requirements for Passenger Passage and Approach Gauges of Buses and Schools buses