- Signs stored within 12 miles (20 km): 1,745 (1,745 from the state's sign permit list).
- Within 3 miles of the centre: 1,024.
- Traffic counts held: 92,434, 6,635 of them at 20,000+ vehicles a day.
- Busiest counted road: General Casimir Pulaski Skyway, 212,782 vehicles a day.
- Busy roads with no stored sign within 1 km (0.6 mi): Pilgrim Highway, Amvets Memorial Highway, Concord Highway, Cambridge Turnpike, Turnpike Street and Winthrop Shore Drive.
- Most signs near one road: Washington Street, 922.
Busiest counted roads
| Road | Vehicles a day | Signs within 1 km (0.6 mi) |
|---|---|---|
| General Casimir Pulaski Skyway | 212,782 | 117 |
| John F Fitzgerald Expressway | 187,090 | 479 |
| Yankee Division Highway | 185,641 | 23 |
| Sergeant William G Walsh Expressway | 167,198 | 14 |
| Pilgrim Highway | 149,210 | 0 |
| Amvets Memorial Highway | 137,946 | 0 |
| Savin Hill Avenue | 136,969 | 32 |
| Massachusetts Turnpike | 132,880 | 659 |
| Blue Star Memorial Highway | 116,238 | 5 |
| Broad Street | 114,561 | 566 |
Where the signs are
Washington Street (922), Tremont Street (737), Beacon Street (685), Massachusetts Turnpike (659), School Street (640) and Franklin Street (625).
| From the centre | Signs |
|---|---|
| Under 1.2 mi | 468 |
| 1.2 mi to 3.1 mi | 556 |
| 3.1 mi to 6.2 mi | 514 |
| 6.2 mi to 12.4 mi | 207 |
| Vehicles a day | Counts | No sign within 1 km (0.6 mi) |
|---|---|---|
| 20,000 to 50,000 | 5,604 | 1,639 |
| 50,000 to 100,000 | 571 | 98 |
| 100,000+ | 460 | 190 |
Sign rules: Massachusetts
- Spacing between signs: interstate 500 ft, federal-aid primary 500 ft (700 CMR 3.07).
- Controlled area: 660 ft from the road (23 U.S.C. 131(b)-(d)). The finder checks both for each ranked site.
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Last updated: 14 November 2026. Guide only. Confirm all results with a council planner before you rely on them.