National Highway Traffic Safety Administration Authorization Act of 1991

[AI summary unavailable — showing source text] National Highway Traffic Safety Administration Authorization Act of 1991 - Title I: Authorization of Appropriations - Amends the following Acts to authorize appropriations: (1) the National Traffic and Motor Vehicle Safety Act of 1966; (2) the Motor Vehicle Information and Cost Savings Act; and (3) the National Driver Register Act of 1982. Authorizes appropriations for National Highway Traffic Safety Administration (NHTSA) highway safety programs and research and development, and for motor vehicle and highway safety research. Authorizes the Secretary of Transportation to expend sums authorized as necessary to conduct research on intelligent vehicle highway systems. Directs the Secretary to develop a strategic plan for such research. Specifies that such research should place particular emphasis on aspects of those systems that will increase safety and should identify any aspects that might degrade safety. Title II: Requirements for Vehicles - Directs the Secretary to: (1) issue a final rule amending Federal Motor Vehicle Safety Standard 214 to establish performance criteria for improved occupant head injury protection in side impacts; and (2) issue a final rule to extend the applica…