List of U.S. Highways in Massachusetts
# List of U.S. Highways in Massachusetts

The U.S. Highways in Massachusetts comprise eight current U.S. Highways and one former route.

## Mainline routes

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| - | - | - | - | - | - | - | - |
| US 1 | 85.60 | 137.76 | US 1 at Pawtucket, RI | US 1 in Seabrook, NH | 01926-01-011926 | current | Mostly follows the old New England Route 1 |
| US 3 | 35.70 | 57.45 | Route 3 / Route 2A in Cambridge | US 3 in Nashua, NH | 01926-01-011926 | current | Mostly follows the old New England Route 6 |
| US 5 | 53.46 | 86.04 | US 5 in Enfield, CT | US 5 in Guilford, VT | 01926-01-011926 | current | Mostly follows the old New England Route 2 |
| US 6 | 117.46 | 189.03 | US 6 in East Providence, RI | Route 6A in Provincetown | 01926-01-011926 | current | Mostly follows the old New England Route 3 |
| US 7 | 53.9 | 86.7 | US 7 in North Canaan, CT | US 7 in Pownal, VT | 01926-01-011926 | current | Mostly follows the old New England Route 4 |
| US 20 | 153.44 | 246.94 | US 20 in New Lebanon, NY | Route 2 in Boston | 01926-01-011926 | current | Mostly follows the old New England Route 5 |
| US 44 | 38.40 | 61.80 | US 44 in East Providence, RI | Route 3A in Plymouth | 01935-01-011935 | current | |
| US 202 | 79.6 | 128.1 | US 202 in Granby, CT | US 202 in Rindge, NH | 01935-01-011935 | current | |
| Former ||||||||

## Special routes

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| - | - | - | - | - | - | - | - |
| US 5A | — | — | Suffield, CT | Springfield | 01932-01-011932 | 01938-01-011938 | Replaced by Route 5A; which became Route 159 |
| US 6 Byp. | — | — | US 6 / Route 28 in Bourne | US 6 / Route 6A in Sagamore | — | — | signs were posted along both sides of Cape Cod Canal |
| Former ||||||||
