The accident happened at night and was captured by video cameras inside the auto. Although there was a driver inside, footage from the vehicle showed she was not looking at the road when the incident occurred.
The video footage of Uber's collision with a pedestrian shows the auto made no attempt to swerve or slow down. The video is graphic and hard to watch.
In a statement, Uber said it has worked closely with the NTSB over the past two months and that it has begun its own safety review of its self-driving vehicles program. It hit her while it was traveling at 38 miles per hour. But it's still a work in progress.
Pittsburgh was Uber's first city for autonomous auto testing, launched in 2016.More news: US Threatens Iran With the 'Strongest Sanctions in History'
In a statement, Uber said it is "committed to self-driving technology" and is seeking to return its driverless fleet to the road "in the near future". The NTSB told CNET the final report could take at least a year to complete.
In allowing Uber, and other companies such as Waymo, Arizona only requires minimum liability insurance policies to operate self-driving cars and does not require the company to report crashes or testing information. At the time the move was announced, governor Ducey welcomed Uber with open arms.
The incident marked the first fatality involving an autonomous vehicle.
Uber boss Dara Khosrowshahi said Uber was likely to remain in the red as it reinvested in its food-delivery and new bike-renting services. About 73% of participants said they would be scared to ride in a fully autonomous vehicle.
The company will concentrate its real-world testing in places where Uber has engineers on hand to make improvements, rather than working from afar, as was the case in Arizona.
In talks with company officials, I and the city's Department of Mobility and Infrastructure additionally required conditions with Uber before Pittsburgh would agree to testing. The timeline for resuming these tests is unclear.