We get to family south of boston most years and into maine to visit friends also.
I 71 north to 76 to 80 into PA. 90 is all toll road thru NY and MA.
We stop inside OH for fuel fill up as PA is usually more expensive. Usually we stay at a campground about and hour or so into PA.
We continue on 80 until we get to Schroudsburg (sic) and take 209 thru Deleware Water Gap Rec area. From there we pick up I 84 into Conn.
At the last exit in PA there is a nice campground on the river. We cross into NY the next morning and get off the first exit for fuel. If you take a left at the exit you are in Deleware and gas is low, vs PA or NY.
You will be in NY for about an hour or so before getting into Conn. Stay on 84 till SE of Hartford and pick up a beltway around the S of Hartford before picking up I95. Staying on 84 will take your thru the center of Hartford and that can be a challenge. You will pick up Conn 15 north and then on to I90 (toll) in MA into boston area.
Pick up I 495 beltway to go around boston then 91 north into NH and Maine.
Note MA toll road is exclusively electronic or license plate and billing. Tolls also went up this last year.
If you want more info private msg me and I will look up the cg names, and mileage info.