Each accident is different. The wreckage of the SUV doesn't look like it hit all that hard. It struck the left front corner of the bus. In doing so it may ha

Each accident is different. The wreckage of the SUV doesn't look like it hit all that hard. It struck the left front corner of the bus. In doing so it may have pushed the wheel, or caused the driver/steering wheel to move sideways. Either could cause the bus to briefly drive itself off the road more so than being directly pushed by the SUV. The bus does seem to have been moving at the time of impact.