This article relies largely or entirely on a single source. (October 2021) |
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 | ![]() | |||
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North end | ![]() | |||
Location | ||||
Country | United States | |||
State | Massachusetts | |||
Counties | Worcester | |||
Highway system | ||||
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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.