There should be more caution signs about turtles.
I’ve never had one jump in front of my car, but I’ve seen plenty making their way across the pavement. They don’t go too fast but they go pretty far.
A friend of mine told me he keeps turtle gloves in his car to help the Testudines cross the road. Experts tell us that the best thing to do is put them where they are headed, beyond the pavement and reach of tires.
Ideally you know what a snapping turtle looks like so you don’t get a finger bitten off. They won’t chase you but you better be careful, they don’t take any crap, either. When they rear up on their back legs, they aren’t backing down. They are winding up for a strike.