TuSimple reportedly tried to pass off a self-driving truck crash as ‘human error’


TuSimple is in trouble.

Last April, a semi-trailer truck operated by the San Diego-based company that was traveling down I-10 in Tucson, Arizona, suddenly lurched left, slamming into a concrete divider, according to dashcam footage leaked to YouTuber Asian Mai. TuSimple blamed “human error,” but a report in The Wall Street Journal says that’s a major oversimplification.

An internal report viewed by the Journal says that the crash occurred because “a person in the cab hadn’t properly rebooted the autonomous driving system before engaging it, causing it to execute an outdated command.” The left-turn command was 2.5 minutes old and should have been erased but wasn’t, according to the internal report.

a statement posted on its website. “While our safety record is many times better than traditional manually-driven trucks, we take our responsibility to find and resolve all safety issues very seriously.”

TuSimple provided more details about the crash in its report to the National Highway Traffic Safety Administration, which began to collect data on crashes involving autonomous vehicles last year.

According to TuSimple’s filing:

As the truck was being operated on the highway, within its mapped [operational design domain], the driver and test engineer attempted to engage the [automated driving system]. However, the ADS was not functional at that moment due to the computer unit not having been initialized, and should not have been attempted to be activated. In short, this was a failed attempt to engage the system as a result of human error.

The incident is already being scrutinized by federal regulators. The Federal Motor Carrier Safety Administration, which regulates the trucking industry, launched a “safety compliance investigation” in response to the April crash, according to a letter obtained by Asian Mai and viewed by the Journal. NHTSA is also reportedly joining the investigation.

A spokesperson for the FMCSA did not immediately respond to a request for comment, and a spokesperson for NHTSA declined to comment. A TuSimple spokesperson also didn’t respond.

with the startup’s own self-driving tech, which sees the world largely through 20 cameras and two lidar laser sensors. The company is backed by UPS, Nvidia, and Chinese technology company Sina, and it has headquarters in San Diego and Beijing. TuSimple was the first autonomous trucking startup to go public, listing shares on the Nasdaq in April 2021 with a valuation of $8.5 billion.

TuSimple has said it is aiming for a fully driverless system, but currently, its trucks include two human operators to monitor the driving and take over when needed. The April incident took place with two employees in the cab of the truck, but the company has conducted fully driverless tests on public roads.

Autonomous trucking is starting to emerge from the shadow of the much larger robotaxi industry. Alphabet’s Waymo has been testing its self-driving tractor trailers in Texas, Arizona, and California and is also working with UPS. Other companies — from established players like Daimler to newcomers like Ike, Embark, and Plus.ai — are also working toward a fully driverless truck.

But it hasn’t been smooth hauling for everyone. Uber abandoned its self-driving truck plans after one of its self-driving cars killed a pedestrian in Arizona, and Starsky Robotics recently went out of business after a failed round of funding.

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