Truck weight limits
Arizona
✓ Sources verifiedEditorial review pending credentialed reviewer4 primary sources
Arizona mirrors the federal weight baseline — 20,000 lb single axle, 34,000 lb tandem, 80,000 lb gross on five or more axles, each including enforcement tolerances. Width is 8 feet by default with 102 inches permitted on designated highways; height is 13 feet 6 inches with 14 feet allowed on designated systems.
At a glance
Max gross weight80,000 lb
Max single axle20,000 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]On a combination of five axles or more. | § 28-1100(A)(3) |
| Max single axle | 20,000 lb[1]Including enforcement tolerances. | § 28-1100(A)(1) |
| Max tandem axle | 34,000 lb[1]Including enforcement tolerances. | § 28-1100(A)(2) |
| Oversize permit above (width) | 102 in[2]Default is 8 ft (§ 28-1093(A)); 102 in applies on designated highways and streets. | § 28-1093(C) |
| Oversize permit above (height) | 13.5 ft[3]14 ft permitted on designated highway systems without a permit — § 28-1094(B). | § 28-1094(A) |
| 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.[4]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.[4]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
- Ariz. Rev. Stat. § 28-1100 — Vehicle load and weight limits — Arizona State Legislature
- Ariz. Rev. Stat. § 28-1093 — Vehicle width; exceptions — Arizona State Legislature
- Ariz. Rev. Stat. § 28-1094 — Vehicle height; exceptions; special permits — Arizona State Legislature
- 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.