Rt 7 is the main north-south route on the west side of Vermont and you'll have no problems. Rt 4 is also a pretty major route, though of course you'll be climbing over the Green Mountains.
I wouldn't hesitate to use either of these roads.
__________________
Allen "Monkeywrench" Freeman, Full-time Nomad
2011 Itasca Sunstar 35F AKA The AdventureMobile
Dragging around a 2013 Ford Edge with a Blue Ox Alpha Tow Bar and an RViBrake3
|