The National Highway Traffic Safety Administration released data Wednesday showing hundreds of car accidents linked to advanced driver- assist systems, and most of the accidents were linked toTesla's autopilot technology that has come under increased scrutiny.

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The safety of its autopilot has come under scrutiny.

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Between July 1 and May 15 of this year, the agency identified 362 crashes linked to partially self-driving cars.

Most of the accidents were caused byTesla vehicles.

All other manufacturers accounted for 10 or less accidents, but Honda cars accounted for 90 of them.

Six people died as a result of the accidents.

The data collection is a first step towards improving vehicle safety, according to the agency's chief.

The new data didn't have an effect on the shares ofTesla.

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Last week, the agency upgraded its investigation of the company into an engineering analysis, which could precede a recall. The company's cars are absent of the LiDAR sensor technology that is found in most other self-drive vehicles. In April, Musk said that his company's technology was "unequivocally safer" than its competitors.

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According to the data provided by the company, drivers using its autopilot feature got in an accident once every 4.31 million miles in the fourth quarter of 2021, compared to the NHTSA's national average of an accident per 484,000 miles.

Surprisingly, the US releases new driver assist crash data.

There have been more than a dozen US autopilot crashes.

The U.S. launched a broad investigation into the causes of numerous crashes.