Denial of Petition for Rulemaking; Federal Motor Vehicle Safety Standards

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This document denies a petition from Mr. Philip Sweeney to require audible exterior back-up warning signals on large motor vehicles such as school buses and city maintenance vehicles. After analyzing the petition and data on back-up accidents, NHTSA concludes that mandating audible backup warning signals may not be effective in minimizing collisions with pedestrians, especially young children. The Agency has research underway on other means to reduce such deaths and injuries.