U.S. Federal Route 20 is an east-west highway across Hampden County. It breifly leaves Hampden County and enters Hampshire County, near Huntington. U.S. Rt. 20 passes through the following towns in Hampden County. Chester Russell Woronoco Westfield West Springfield Springfield North Wilbraham Palmer Brimfield U.S. Rt. 20 is multi-plexed in Hampden County. U.S. Rt. 202, at Westfield. Massachusetts State Route 10, at Westfield. Interstate 91, at Springfield. Interstate 291, at Springfield. Massachusetts State Route 32, near Palmer. U.S. Rt. 20 crosses the following highways in Hampden County. Massachusetts State Route 23, at Russell. Interstate 90, (Massachusetts Turnpike), near Woronoco. U.S. Rt. 202, at Westfield. Massachusetts State Route 10, at Westfield. U.S. Rt. 202, at Westfield. Massachusetts State Route 10, at Westfield. Massachusetts State Route 187, near Westfield. U.S. Rt. 5, at West Springfield. Interstate 91, at Springfield. Massachusetts State Route 20A, at Sprignfield. Interstate 91, at Springfield. Interstate 291, at Springfield. Interstate 291, at Springfield. Massachusetts State Route 20A, at Sprignfield. Massachusetts State Route 21, at Springfield. Massachusetts State Route 141, at Springfield. Massachusetts State Route 181, near Plamer. Massachusetts State Route 32, at Plamaer. Massachusetts State Route 32, near Plamaer. Massachusetts State Route 67, near Plamer. Massachusetts State Route 19, near Plamaer.
A BGS on SB I-91. SB I-291/WB U.S. Rt. 20 in Springfield. A BGS on Armory Street in Springfield. A BGS on Liberty Street in Springfield. A BGS on EB I-90/Mass Pike.