Massachusetts Route 21

Route 21 marker
Route 21
Map
Route 21 highlighted in red
Route information
Maintained by MassDOT
Length13.73 mi[1] (22.10 km)
Major junctions
South end US 20 in Springfield
Major intersections
North end Route 9 in Belchertown
Location
CountryUnited States
StateMassachusetts
CountiesHampden, Hampshire
Highway system
Route 20A Route 22

Route 21 is a 13.73-mile-long (22.10 km) south–north state highway in Massachusetts that runs between U.S. Route 20 (US 20) and Route 141 in Springfield and Route 9 in Belchertown. Along the way it intersects several major highways including Interstate 90 (I-90) in Ludlow and US 202 and Route 181 in Belchertown.

  1. ^ Planning Division (2012). "Massachusetts Highway Route Log". Massachusetts Department of Transportation. Retrieved March 8, 2015.