Truck weight limits
Massachusetts
✓ Sources verifiedEditorial review pending credentialed reviewer3 primary sources
Massachusetts allows 22,400 lb on a single axle — above the federal 20,000 lb — but drops to 18,000 lb for axles spaced less than six feet apart. Tandem sets are 34,000 lb each and overall gross is capped at 80,000 lb. Dimensions are 102 inches by 13 feet 6 inches.
At a glance
Max gross weight80,000 lb
Max single axle22,400 lb
Max tandem axle34,000 lb
Permit (width)102 in
Permit (height)13.5 ft
vs. federal gross0 lb
1 Limits and thresholds
| Property | Value | Authority |
|---|---|---|
| Max gross weight | 80,000 lb[1] | c. 90, § 19A |
| Max single axle | 22,400 lb[1]Axles spaced less than 6 ft apart are capped at 18,000 lb each. | c. 90, § 19A |
| Max tandem axle | 34,000 lb[1]Two consecutive tandem sets at 34,000 lb each when spaced 36 ft or more. | c. 90, § 19A |
| Oversize permit above (width) | 102 in[2] | c. 90, § 19 |
| Oversize permit above (height) | 13.5 ft[2] | c. 90, § 19 |
| CDL disqualification — first major | 1 year for a first conviction while operating a CMV or a non-CMV; 3 years if operating a CMV transporting placarded hazardous materials. Applies to alcohol/controlled-substance influence, 0.04+ BAC in a CMV, test refusal, leaving the scene, using the vehicle in a felony, driving while disqualified, and causing a fatality by negligent operation.[3]Federal floor. A state may impose longer periods but may not go below this; verify state law before relying on it. | § 383.51(b), Table 1 |
| CDL disqualification — lifetime | Life for a second conviction of any combination of the Table 1 major offences in a separate incident. A state MAY reinstate after 10 years following an approved rehabilitation programme — § 383.51(a)(6) — but not after a subsequent disqualifying conviction. Felony manufacture/distribution of a controlled substance, and severe forms of human trafficking, draw life with NO 10-year reinstatement.[3]Federal floor. The 10-year reinstatement is permissive — states are not required to offer it. | § 383.51(a)(6), (b) Table 1 items (9)–(10) |
2 Sources
- M.G.L. c. 90, § 19A — Weight limits — Massachusetts General Court
- M.G.L. c. 90, § 19 — Dimensions — Massachusetts General Court
- 49 CFR § 383.51 — Disqualification of drivers — U.S. Government Publishing Office
Review record
Every figure above was transcribed from the primary source cited beside it and carries a pinpoint locator. Editorial review by a credentialed reviewer is pending.