Chicopee, Holyoke & Western Hampden

I-91 / I-90 Mass Pike / US-5 / MA-57

The northern and western Hampden County municipalities along the Connecticut River and the I-91 / Mass Pike corridors. Anchored by Chicopee (Springfield's largest northern neighbor, home to Westover Air Reserve Base — the largest Air Force Reserve base in the Northeast), Holyoke (the 'Paper City' — the first planned industrial city in America, founded 1850 with the 4-mile-long Holyoke Dam harnessing Connecticut River water power for paper mills), West Springfield (home to the Eastern States Exposition — 'The Big E,' the largest fair in New England), Westfield (home to Westfield State University and the Barnes Airport), and Agawam (home to Six Flags New England — the largest theme park in the region).