We stay at the following campgrounds:
Maine
Sunset Point, Harrington, ME
Sunset Point Campground - Home | Campgrounds Maine Coast | RV Parks Maine | Recreational Vehicle Camp Sites Maine
Opens officially May 15th but we call ahead and they always have let us stop. Small place, nice people and can provide a cooked lobster if you like. Good bathrooms. Passport America
New Brunswick
Lone Pine exit 211 off highway. Open because Victoria weekend is the next weekend. Not too fancy. Good overnight stop.
Lone Pine Park Campground & Cabins
Nova Scotia
Harbour
Light, Pictou. A little way off the main north south Trans Canada.
We like this little park because we like the owner and he gives us a nice sight right beside the water. We also like to ear in a little scottish restaurant in town, I think McDermotts.
Harbour Light Trailer Court & Family Camping Grounds | novascotia.com
Ferry.
We drive from Pictou to the ferry terminal most of the time. Sometimes we do a little loop of the Cabot trail depending on our timing. There are two ferry crossings, one around noon the other around midnight. Once a ferry leaves you can enter the ferry yard and stay there until your ferry loads. We often take the midnight ferry and spend the next day at a campground not too far from Port aux Basque.
On the ferry we usually sleep in the airline chairs, larger than plane seats. Bring head phones if you want to listen to any of the multiple TVs You can also get a cabin if you like, we do not get cabins. The crossing takes 6 hours.
After getting off the ferry we usually stop at the Prov Park or the former Grand Codroy Prov. Park. Grand Codroy is a nice park, great bathrooms, nice owners, usually wi-fi. It has always been open. Expensive but a long time favorite for us.. $30 Cnd,
Grand Codroy RV/tent Camping Park, Doyles, NL
https://www.facebook.com/GrandCodroyRVCamping
J.T. Cheeseman Prov. Park
Newfoundland and Labrador Campsite Reservation Service
Not far from Port aux Basque and the Ferry Terminal. Port aux Basgue has a large grocery store.
Cornerbrook is the largest community in western NL and has large stores and a Walmart. Deer Lake has a large grocery store and is our last stop before driving to Gros Morne.
We do not drive from Port aux Basque in one day. We stop at Gateway to the North just past Deer Lake, a Passport Park with Wi-fi with OK
bathrooms. Very nice owner.
Driving from Port aux Basque you go through Wreckhouse. The winds can be over 100 mph. We have seen two semis turned over here.
There are lots of campgrounds in NB and Nova Scotia and numerous things to see but I assume you want to blast thru.
Anything else let me know.