I just drove 301 from Bowling Green VA to New Jersey last December trying to avoid traffic. Didn't realize all the traffic lights on this road. Sure did change from the 80's when I drove it all the time.
If taking RT. 95, use the Key Bridge around Baltimore and bring lots of money. Haven't taken my camper through the tolls yet but I know I get hammered with the truck.
Have you picked a campground yet? I, too, was looking at some sites in that area. I talked to the campgrounds at the Atlantic City RV show. Some of them had tight spots.
I might look at Holly Shores Camping Resort. I got their flyer in the mail and it looks nice. Www.hollyshores.com
. I'm not affiliated with them and have never been there. Just trying to help out.