Federal Regulations Require Roof Crush Resistance To Be

Every year approximately 10 000 americans are killed in rollover accidents accounting for about 30 of all light vehicle occupant fatalities.

Federal regulations require roof crush resistance to be.

Supplemental notice of proposed rulemaking snprm. The number of occupant injuries is significantly higher. Roof crush is the failure and displacement of an automobile roof into the passenger compartment during a rollover accident. This standard established strength requirements for the roof structure over the front occupants of passenger cars with a gross vehicle weight rating gvwr of 6 000 pounds or less.

This standard establishes strength requirements for the passenger compartment roof. We decline however to adopt a swr higher than 1 5 for vehicles with a gvwr greater than 2 722 kilograms 6 000 pounds given the small additional benefits 4 additional lives saved and. 216 roof crush resistance became effective on september 1 1973. Federal motor vehicle safety standard fmvss no.

Given the requirements of safetea lu we need to ensure that the standard results in improved real world roof crush resistance for these vehicles. 49 cfr parts 571 and 585216 as part of a comprehensive plan for reducing the risk of rollover crashes and the risk of death and serious injury in those crashes this final rule upgrades the agency s safety standard on roof crush resistance in several ways. Federal motor vehicle safety standards. Roof crush resistance the text of this document is based on federal motor vehicle.

The relationship of roof crush and strength to injury is the fundamental issue in determining whether roof strength standards including fmvss 216 might be of value in australia. The nprm reflected comments received in response to a request for comments rfc published in the federal register 66 fr 53376 on october 22 2001 and research and testing conducted prior to the. The purpose of this standard is to reduce deaths and injuries due to the crushing of the roof into the occupant compartment in rollover crashes. A the lower surface of the test device must not move more than 127 millimeters and.

571 216a standard no. Roof crush resistance 222 13 kb final rule. It has long been taken for granted that roof crush is directly and causally related to occupant injury. On august 23 2005 nhtsa published in the federal register 70 fr 49223 a nprm to upgrade fmvss no.

It is envisaged that the roof is. The relationship between injury levels and intrusion or roof crush has. This standard establishes strength requirements for the passenger compartment roof. The purpose of this standard is to reduce deaths and injuries due to the crushing of the roof into the occupant compartment in rollover crashes.

216a roof crush resistance as published in.