Metro Detroit freeway guardrails linked to driver injuries, deaths in other states
https://www.clickondetroit.com/news/defenders/metro-detroit-freeway-guardrails-linked-to-driver-injuries-deaths-in-other-states
There is a famous Nascar crash back in 1961 in Charlotte where a car crashes through the guardrail. Video of it is quite spectacular. Reds Kagle survived but he lost a leg in the accident.
https://www.youtube.com/watch?v=stuikAb8Fr0
Same thing with the end treatments made by Trinity Industries in Dallas a few years back