The dashcam footage released by Uber was misleading; their cameras and sensors were far from as good as the human eye. The Tempe police concluded 85% of humans could have stopped the car in time: [0]
> In simulating conditions of the crash and consulting their textbooks, detectives found that Herzberg could have been seen 143 feet down the road by 85 percent of motorists.
And as every other level 3 car it was using LIDAR, meaning visible light conditions were irrelevant. Even if the environment had really been as dark as the misleading dashcam footage it would have had very little relevance to car sensors unless that had been extremely heavy fog or rain.
> In simulating conditions of the crash and consulting their textbooks, detectives found that Herzberg could have been seen 143 feet down the road by 85 percent of motorists.
[0] https://www.phoenixnewtimes.com/news/self-driving-uber-crash...