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DOT/NHTSA RIN: 2127-AK96 Publication ID: Fall 2013 
Title: +Motorcoach Rollover Structural Integrity (MAP-21)  
Abstract: This rulemaking would promulgate a new FMVSS for rollover structural integrity requirements for motorcoaches. In August 2007, NHTSA published a motorcoach safety plan identifying four specific priority items: seat belts on motorcoaches, rollover structural integrity, emergency evacuation, and fire safety. The DOT published a comprehensive motorcoach safety action plan in November 2009 that reiterated NHTSA´s motorcoach safety priorities. This rulemaking also addresses six recommendations issued by the NTSB on motorcoach roof strength and structural integrity and is responsive to requirements of the Moving Ahead for Progress in the 21st Century (MAP-21) Act. 
Agency: Department of Transportation(DOT)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 49 CFR 571   
Legal Authority: 49 USC 30111    49 USC 30115    49 USC 30117    49 USC 30166    49 USC 322    delegation of authority at 49 CFR 1.95   
Legal Deadline:
Action Source Description Date
Final  Statutory  Publish Final Rule  10/01/2014 

Statement of Need: Over the ten-year period between 2000 and 2009, there were 45 fatal motorcoach crashes resulting in 134 fatalities. During this period, on average, 13 fatalities have occurred annually to occupants of motorcoaches in crash and rollover events, with about 2 of these fatalities being drivers and 11 being passengers. However, while motorcoach transportation overall is safe, when serious crashes of this vehicle type do occur, they can cause a significant number of fatal or serious injuries during a single event, particularly when occupants are ejected. This action is consistent with our detailed plans for improving motorcoach passenger protection, laid out in NHTSA's Approach to Motorcoach Safety 2007 and the Department of Transportation 2009 Motorcoach Action Plan (Docket No. NHTSA-2007-28793), as well as the Agency's Vehicle Safety and Fuel Economy Rulemaking and Research Priority Plan 2011-2013 (Docket No. NHTSA-2009-0108), and is responsive to six recommendations issued by the National Transportation Safety Board. In addition, this action would fulfill a statutory provision of the Motorcoach Enhanced Safety Act of 2012 (incorporated and passed as part of the Moving Ahead for Progress in the 21st Century Action) for establishing motorcoach roof strength and crush resistance requirements, to the extent warranted under the National Traffic and Motor Vehicle Safety Act.

Summary of the Legal Basis: Section 30111, title 49 of the U.S.C., states that the Secretary shall prescribe motor vehicle safety standards.

Alternatives: NHTSA is examining existing regulations as alternatives to this proposal. FMVSS No. 216 "Roof crush resistance," FMVSS No. 220, "School bus rollover protection," and UN ECE R.66 are among the existing regulations that the agency is considering. The agency is considering these alternatives in light of their ability to ensure occupant protection during a rollover crash as well as additional safety issues such as opening of egress portals, failure of seat and luggage rack anchorages, detachment of windows from their mounting.

Anticipated Costs and Benefits: The net impact ranges from a net benefit of $9.5 million to $19.4 million if seat belt usage is 15 percent. If the seat belt usage rate is 84 percent, the estimated net impact ranges from a net benefit of $4.7 million to $13.1 million.

Risks: The Agency believes that there are no significant risks associated with this rulemaking, and that only beneficial outcomes will occur.

Action Date FR Cite
NPRM  06/00/2014 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: Yes 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: No 
Agency Contact:
Shashi Kuppa
Chief, Special Vehicles and Systems Division
Department of Transportation
National Highway Traffic Safety Administration
1200 New Jersey Ave, SE,
Washington, DC 20590

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