Massachusetts Route 18
Route 18 highlighted in red | ||||
| Route information | ||||
| Maintained by MassDOT | ||||
| Length | 41.561 mi (66.886 km) | |||
| Major junctions | ||||
| South end | US 6 in New Bedford | |||
| I-195 in New Bedford I-495 in Middleborough US 44 / Route 28 in Middleborough Route 28 / Route 104 in Bridgewater Route 3 in Weymouth | ||||
| North end | Route 53 in Weymouth | |||
| Location | ||||
| Country | United States | |||
| State | Massachusetts | |||
| Counties | Bristol, Plymouth, Norfolk | |||
| Highway system | ||||
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Massachusetts Route 18 is a 41.561-mile-long (66.886 km) north–south state highway in Southeastern Massachusetts. Beginning in the city of New Bedford, it runs as a freeway for approximately 2 miles (3.2 km), continuing as a surface street until it reaches Weymouth.
The segment of Route 18 from its southern terminus to I-195 is part of the John F. Kennedy Memorial Highway, a state-maintained road that extends an additional 1.5 miles (2.4 km) south without the Route 18 designation.