What the heck are you doing near Troy :)
Route 101 in NH west to Rt 9 across southern VT becomes route 7 in NY. I would take that to 87 to 90 west when traveling to my mom’s house in WNY. It is the most direct route from southern NH to NY state. It is also the the quickest way unless it is snowing in the Green Mountains of VT.
Dropping down to I90 in Worchester, MA takes about an hour from my house.