Route From MD to Middlebury, VT and BoothBay, Me

Our current plan is to go up I-83 to I-81 to I-88 then I-89. State route 149 to Route 7 into Middlebury. On our way to Boothbay we have Route 7 to Route 4 east to I-89 south then 101 over to 95 nort...