Interstate 391 (abbreviated I-391) runs from the I-91/I-391 interchange in Chicopee to the center of Holyoke, a distance of about.
Interstate 391 (abbreviated I) runs from the I-91/I-391 interchange in Chicopee to the center of Holyoke.391 interchange in Chicopee to the center of Holyoke is a distance of about. I is abbreviated. I is 391.