Interim Report of the Committee for the Study of a Motor Vehicle Rollover Rating System

This letter constitutes the interim report of the Transportation Research Board Committee for the Study of a Motor Vehicle Rollover Rating System. This committee was convened in response to a request from the Congress asking the U.S. Department of Transportation to fund a study by the National Academy of Sciences on motor vehicle rollover. The main objectives of this report are (1) to present the committee’s preliminary findings and (2) to identify outstanding issues that the committee intends to address before issuing its final report at the end of the year.