PT is a bitch. At least it's during the winter.. hopefully you'll be ready for a spring ride!? Good luck!
The scariest bit is where you said they were turning in - just some grassy patch, not a driveway or a road. Cars can and will pull a U-turn in the middle of a desolate road... desolate except for the oncoming bike at least. It's hard to keep that in mind hour after hour on the road though.