Executive Summary - NHTSA | National Highway Traffic ...

Testing vehicles at speeds over 45 mph (72 km/h) may have safety and practicality issues. Testing at speeds over 45 mph (72 km/h), the speed used in NCAP’s forward collision warning test, could potentially cause a safety hazard to the test driver and the test engineers. The problem arises if the vehicle being tested fails to perform as expected. ................
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