Safety officials tracked nearly 400 collisions involving partially-automated vehicles, and found Tesla cars were responsible for more than two-thirds.
cars and SUVs because their"Full Self-Driving" software failed to bring vehicles to a complete halt at stop signs.
NHTSA also said that five people were killed in the crashes involving driver-assist systems, and six were seriously hurt. Manufacturers were not required to report how many vehicles they have on the road with automated driver-assist systems, nor did they have to report how far those vehicles traveled or when the systems are in use, NHTSA said. At present, those numbers aren't quantifiable, an agency official said.
"This will help our investigators quickly identify potential defect trends that can emerge," Cliff said."These data will also help us identify crashes that we want to investigate and provide more information about how people in other vehicles interact with the vehicles." The Alliance for Automotive Innovation, which represents most automakers, said the data collected by NHTSA isn't sufficient by itself to evaluate the safety of automated vehicle systems.