GB/T 24550-2009

This standard specifies the technical requirements and test methods for the protection of pedestrians in automobile collisions.
This standard applies to M1 class vehicles with a maximum design total mass of more than 500 kg. M2 class vehicles with a maximum design total mass of more than 500 kg but not exceeding 4,500 kg, as well as N class vehicles with a maximum design total mass of more than 500 kg but not exceeding 4,500 kg, may refer to this standard for implementation. However, this does not include M2 and N class vehicles with a horizontal distance between the R point of the driver's seat and the transverse plane of the front axle of less than 1,000 mm.