Interstate 391 branches north from I-91 alongside the Connecticut River in the city of Chicopee. Straddling a ridge by the Ferry Lane and Willimansett communities, I-391 crosses the Connecticut River into the city of Holyoke ahead of a series of ramps for Main, Jackson and High Streets.
Interstate 391 was designated in 1965, with construction beginning in 1967 and ending in 1982.1
$15.9 million in road construction underway built 2.8 miles of I-91 from Chicopee to Springfield, including a short spur of Interstate 391. Associated construction built another 1.9 miles of I-91 from Holyoke to West Springfield for $3 million and $1 million for the interchange joining I-91 with the Massachusetts Turnpike.2