If you're familiar with that part of ASU campus you honestly could have seen this coming. There are a few different self driving cars in Tempe (Waymo, Uber, GM...) and Uber drives by far the most aggressive. They drive on a pedestrian heavy road and drive faster than most of traffic. They accelerate rapidly when a light changes and can brake hard. There are always tons of pedestrians in the area and it isn't uncommon to almost get run offer when even crossing during the day.