Interstate 91 is the principal north-south interstate highway through western Massachusetts, providing a link from the city of Springfield to northern Connecticut and southern Vermont.
Interstate 91 is the primary north-south interstate highway in Connecticut, connecting the state's major cities of New Haven and Hartford with northern New England.
For Historic Overview of Massachusetts:
www.bostonroads.com/roads/I-91...
For Historic Overview of Connecticut:
www.nycroads.com/roads/I-91_CT/
Highlights:
3:00 - JCT I-90
6:00 - JCT I-391
7:30 - Downtown Springfield (JCT I-291)
26:00 - JCT I-291
28:30 - Downtown Hartford (JCT I-84)
37:30 - JCT CT 9
43:30 - JCT I-691; JCT CT 15
59:00 - Downtown New Haven (END I-91; JCT I-95)