Cars' Roofs Toughen Up: Old Standard Crushed for Stronger Protection
Published Date: 5/30/2025
Proposed Rule
Summary
NHTSA is updating car safety rules by removing the old roof crush resistance standard (FMVSS No. 216) and replacing it with a stronger, upgraded version called FMVSS No. 216a. This change affects car makers who now have to meet tougher roof strength tests to keep passengers safer in crashes. The new rules will roll out soon, so manufacturers should get ready to build safer roofs without breaking the bank.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Automakers Must Meet FMVSS No. 216a
The agency proposes removing FMVSS No. 216 and replacing it with a stronger standard called FMVSS No. 216a. Car makers must meet tougher roof strength tests under the upgraded FMVSS No. 216a, and the rule will roll out soon so manufacturers should prepare to change designs and production.
Safer Roofs for Vehicle Passengers
NHTSA is replacing FMVSS No. 216 with a stronger standard called FMVSS No. 216a to require stronger roof resistance in crashes. This change is intended to keep passengers safer in crashes by requiring vehicles to meet tougher roof-strength tests.
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