Connecticut
https://portal.ct.gov/-/media/DOT/docum … 013pdf.pdf
Maine
http://maine.gov/mdot/maps/docs/RailSystem_2016.pdf
New Hampshire
http://www.nh.gov/dot/programs/bikeped/ … 110515.pdf
Vermont
https://vtrans.vermont.gov/sites/aot/fi … 190610.pdf
Massachusetts
I thought folks might like to see some historical maps, for comparison:
Maine, 1895:
http://www.sullboat.com/Maine_1895.jpg
New Hampshire, 1895:
http://www.sullboat.com/nh_1895.jpg
Vermont, 1895: