[Retric]

Feel free to look for an actual regulation that prevents ridged bumpers with shock absorbers. You will not find it and in fact many vehicles are sold that can have a 5MPH collision without significant harm.

The reasons for this is people can walk into solid objects at 5MPH without significant harm.

PS: Feel free to start with: 49 CFR Part 58

[userbinator]

and in fact many vehicles are sold that can have a 5MPH collision without significant harm.

...or at least used to:

https://en.wikipedia.org/wiki/Bumper_(car)#Stringency_reduce...

[flachsechs]

i have no idea what you're trying to say, because you keep making typos in critical words.