GB/T 40887.1-2021

This standard specifies technical requirements and test methods for wheelchair containment and occupant retention systems specifically designed for rearward-facing wheelchair passengers in accessible transport vehicles. It applies to buses, trains, and other public transit vehicles that accommodate both sitting and standing passengers, ensuring safety during normal driving, braking, and collision scenarios. The standard is used by vehicle manufacturers, wheelchair tie-down system producers, and testing laboratories to verify compliance with occupant protection regulations.