Direction:

North/South

Southern Terminus:

Connecticut-Massachusetts state line

Northern Terminus:

Massachusetts-Vermont state line

Distance:

54.90 miles

Counties:

Hampden, Hampshire, Franklin

Signed:

Yes

I-91 is a north/south highway beginning in New Haven, Connecticut, and extending north to the Canadian border in Vermont. The portion in Massachusetts runs down the middle of the state, passing through Springfield, Holyoke, Northampton, and Greenfield. It remains within a couple of miles of the Connecticut River for all of its length in the state.