Massachusetts Route 12

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Route 12
Route 12 highlighted in red
Route information
Maintained by MassDOT
Length	64.41 mi[1] (103.66 km)
Existed	1922–present
Major junctions
South end	Route 12 in Thompson, CT
Major intersections	Route 16 / Route 193 in Webster US 20 in Oxford/Auburn I-90 / Mass Pike / I-290 / I-395 / US 20 in Auburn I-290 in Worcester I-190 in Worcester, West Boylston, and Sterling Route 2 in Leominster US 202 in Winchendon
North end	NH 12 in Fitzwilliam, NH
Location
Country	United States
State	Massachusetts
Counties	Worcester
Highway system
Massachusetts State Highway System Interstate US State
← Route 11 → Route 13
← Route 11 N.E. → Route 12A

Massachusetts Route 12 is a 64.41-mile-long (103.66 km) north-south state highway that runs through central Massachusetts from a continuation of Connecticut Route 12 at the Connecticut state line at Dudley to the New Hampshire state line at Winchendon where it continues north as New Hampshire Route 12.