A lot of dogs suffer from road accidents. People who accidentally hit dogs while driving absolutely need to stop and check, and they need to be able to offer assistance to the animal in some way. Many people will actually do this when they do hit a dog, which is the sort of thing that can happen just because a dog darts out in traffic.
People should try to contact the dog’s owner, which should be relatively easy in a world of identification tags and chips. They should otherwise contact the police or the RSPCA. One way or another, there is something that all drivers should be able to do in order to help a dog that was hit. They don’t have to handle the dog themselves, which could make things worse.