Massachusetts Route 31
| Route information | ||||
|---|---|---|---|---|
| Maintained by MassDOT | ||||
| Length | 58.80 mi (94.63 km) | |||
| Major junctions | ||||
| South end | Route 197 at the Connecticut state line | |||
| US 20 in Charlton Route 9 in Spencer Route 2 in Fitchburg | ||||
| North end | NH 31 at the New Hampshire state line | |||
| Location | ||||
| Country | United States | |||
| State | Massachusetts | |||
| Counties | Worcester, Middlesex | |||
| Highway system | ||||
| ||||
Route 31 is a 58.80-mile-long (94.63 km) north–south state highway in the U.S. state of Massachusetts. It runs from Dudley on the Connecticut border to Ashby on the New Hampshire border.