New York State Thruway

The New York State Thruway Berkshire Spur connects the Thruway mainline to the Massachusetts Turnpike. The spur is mostly part of I-90, but the westernmost miles do not have a signed route number. This portion includes the Castleton-on-Hudson Bridge.

Mile Eastbound Westbound Notes
Albany County
Speed Limit 65
B0.0 Thruway east Exits 21B-1
I-87 South
New York City
B0.0 Exits 22-61
I-87 North To I-90
Rensselaer County Albany County
I-90 east Thruway east Thruway west
B6.6 Exit B1
I-90 US 9
Columbia County Rensselaer County
B15.1 Exit B2
Taconic State Parkway NY 295
Taconic State Parkway
Passenger cars only
Canaan Toll
B23.3 Exit B3
NY 22
New Lebanon
I-90 east Massachusetts Turnpike east I-90 west Thruway west
Speed Limit 65
B24.3 Massachusetts
Berkshire County
New York
Columbia County