Arizona oversize load rules
Legal limits, pilot car requirements, travel restrictions, superload thresholds and permit fees for oversize and overweight loads in Arizona.
Legal limits without a permit
| Width | 8′6″ (8′ on Table 4 restricted routes) |
|---|---|
| Height | 14′ (13′6″ on Table 4 restricted routes) |
| Length | 57′6″ semitrailer on the National Network · 53′ semitrailer or 65′ combination elsewhere · 40′ straight truck |
| Weight | 80,000 lb on 5 or more axles |
At a glance
| Escorts | 5 escort rules, starting at 10′ wide |
|---|---|
| Superload | 4 review triggers (height, length, weight, width) |
| Travel | 5 restrictions (curfews, night, holidays) |
| Fees | 6 published fee lines |
Escort (pilot car) requirements
- 5 width, height and length thresholds with the escort count for each
- Police escort triggers
- Overhang and route-type conditions
Travel restrictions
- 5 restrictions: curfews, night travel, weekends and holidays
- Which ones apply to a given load size
Superloads
- Exact thresholds and what the state requires past them
- Lead times, route surveys and police escort conditions
Permit fees
- 6 published fee lines with links to the fee schedule
- Validity periods and add-on charges
Common questions
When does a load need a pilot car in Arizona?
ADOT sets daytime escorts on each permit by route. At night and on weekends the rule is fixed: over 11′ wide a rear escort, over 14′ wide front and rear, over 15′ high a height-pole escort.
Can oversize loads travel at night or on weekends in Arizona?
Yes, on non-holidays from 3 AM, for loads up to 16′ wide, 16′ high, 120′ long and 250,000 lb with the required escorts. Loads within 10′ wide and 14′6″ high may travel continuously.
What is a Class C permit in Arizona?
Arizona's superload permit, for anything over the Class A envelope of 14′ wide, 16′ high, 120′ long or 250,000 lb.
Sources
- ADOT oversize/overweight permits (Class A limits, fees)
- A.A.C. R17-6-401, general highway operations
- A.A.C. R17-6-402, night and weekend transport
- A.A.C. R17-6-403, holiday transport restriction
- A.A.C. R17-6-404, metropolitan curfew transport
- A.A.C. R17-6-305, escort vehicles
- A.A.C. R17-6-211, Class C special permits
- A.A.C. Title 17 Ch. 6 Table 1, threshold dimensions
Planning reference. Permits carry their own conditions, and city and county roads have separate rules. Confirm with the ADOT Enforcement and Compliance Division, Commercial Permits before moving a load. Found an error? Report it.
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