The National Highway Traffic Safety Administration (NHTSA) has issued a Final Rule for motorcoaches establishing Federal Motor Vehicle Safety Standard (FMVSS) No. 227, ‘‘Bus rollover structural integrity,’’ to enhance the rollover structural integrity of motorcoaches, and other buses with a gross vehicle weight rating (GVWR) greater than 26,000 pounds to exclude school buses. This final rule requires motorcoaches, among other requirements, provide a ‘‘survival space’’ in a rollover test to protect occupants from the possible collapse of the bus structure; prohibit emergency exits from opening in the rollover test to reduce the likelihood of ejection; and ensure that bus roofs and side wall panels will resist deformation and intrusion into the occupant space. The effective date of this Final Rule is December 30, 2024. The full Final Rule can be found here: https://www.govinfo.gov/content/pkg/FR-2021-12-29/pdf/2021-27538.pdf.
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