I live in a fairly rural area with a very healthy population of deer. I have a dashcam video of a doe jumping out in front of my vehicle and just freezing there. Thankfully I was alert and had just enough time to to stop but came within 1-2 feet of hitting her. This was about 4 pm on the summer, so broad daylight. No headlights. But yeah a lot of times they do jump away, especially if they’re not already in the road.