We recently went from Boston to Quebec via 91 from VT and stopped at the Magog Supercharger. The Tesla navigation routing to the Magog supercharger from 91 is nuts! It goes right through the city streets of Magog which is long, very slow and congested. A much better way is to continue up to 10W and get off at the 112S exit. It's still a bit far off the highway, but the road is better and shorter. The next time we do this, we'll not stop there at all. The Drummondville is much easier to get to.