Direction: North/South
Southern Terminus: Connecticut Turnpike (I-95) and Oak Street Connector (CT 34) in New Haven
Northern Terminus: Connecticut-Massachusetts border

I-91 begins at the Connecticut Turnpike (I-95) and the Oak Street Connector (CT 34) in New Haven and runs north. It provides a north/south route through and between New Haven and Hartford. It continues north through Massachusetts and Vermont to the Canadian border.