 Interstate 391 | ||||
|---|---|---|---|---|
 I-391 highlighted in red | ||||
| Route information | ||||
| Auxiliary route of I-91 | ||||
| Maintained by MassDOT | ||||
| Length | 4.46 mi[1] (7.18 km) | |||
| Existed | 1982[2]–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end |  I-91 in Chicopee | |||
| North end | High Street / Commercial Street in Holyoke | |||
| Location | ||||
| Country | United States | |||
| State | Massachusetts | |||
| Counties | Hampden | |||
| Highway system | ||||
| ||||
Interstate 391 (I-391) is an auxiliary Interstate Highway located entirely within the US state of Massachusetts. It runs from the I-91/I-391 interchange in Chicopee to the center of Holyoke, a distance of about 4.46 miles (7.18 km). It runs near the Connecticut River throughout its journey in Chicopee, crosses into Holyoke, and abruptly ends at High Street 0.4 miles (0.64 km) south of U.S. Route 202 (US 202).[3]
- ^ Starks, Edward (January 27, 2022). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved December 11, 2022.
- ^ Bostonroads.com. "Interstate 391 (Massachusetts)". Retrieved May 26, 2008.
- ^ itd. "MassGIS EOT-OTP Roads data layer". Administration and Finance. Retrieved October 5, 2014.