US Route 3 Map
US Route 3 Major Junctions |
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| NH No. | 3 |
| Existed | 1926 - present |
| Starting point | Route 2A / Route 3 in Cambridge, MA |
| End Point | Route 257 near Chartierville, Quebec |
| Length | 277.90 mi (447.24 km) |
| Major Junctions | Route 2A / Route 3 in Cambridge, MA I-95 / Route 128 / Route 3A in Burlington, MA I-495 / Lowell Connector in Chelmsford, MA Everett Turnpike in Nashua, NH NH 101 near Manchester, NH US 202 in Concord, NH US 4 near Concord, NH I-93 in Franconia, NH US 302 in Carroll, NH US 2 in Lancaster, NH Route 257 near Chartierville, Quebec |
| State | Massachusetts, New Hampshire |
USA Highway Maps |
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