Home / Heavy Haul by State / Arizona
All 48 states · Agency of CRST · Asset-based capacity
Oversize freight on I-10, I-40, I-17 and I-19, into Phoenix and Tucson and out to the copper mines. ADOT permits, escorts, curfews and holiday shutdowns handled for you.
Last verified: against official state sources.
Heavy haul in Arizona
Arizona oversize freight runs on long, mostly divided interstates: I-10 from California through Phoenix and Tucson to New Mexico, I-40 across the north through Kingman and Flagstaff, I-17 climbing from Phoenix to Flagstaff, I-8 from Yuma, and I-19 south from Tucson to Nogales. The work is in the two metros and the mining districts. ADOT's rules are detailed: night and weekend travel is possible on listed routes, but curfews and holiday shutdowns are strict.
I drove trucks before I ever brokered a load, I have spent more than 15 years in freight, and I have pulled oversize permits myself. So when a Arizona load comes in, I am not reading the rules for the first time. I am looking for the part of the move that will actually bite: the escort trigger you are an inch over, the curfew that eats your window, the structure that cannot take the weight. Every load runs on CRST's asset-based network, with CRST's authority, insurance and compliance behind it, and one person accountable for it: me.
The numbers
Exceeding any of these on the State Highway System requires an ADOT special permit:
| Dimension | Arizona legal limit | Over that means |
|---|---|---|
| Width | 8 ft 6 in (8 ft where restricted under Table 4) | Permit. Class A covers up to 14 ft. |
| Height | 14 ft (13 ft 6 in where restricted) | Permit. Class A covers up to 16 ft. |
| Length | Semitrailer 57 ft 6 in on the National Network; 53 ft or 65 ft overall on other state highways | Permit. Class A covers up to 120 ft. |
| Overhang | 3 ft front, 6 ft rear | Permit. Over 20 ft adds an escort on that end. |
| Weight | 80,000 lb for five-plus axle combinations | Permit. Class A covers up to 250,000 lb; heavier needs a Class C special permit. |
Sources: Ariz. Admin. Code R17-6-102, Table 1 (PDF); 17 A.A.C. 6 (PDF). Checked Oct 22, 2026.
Permits and escorts
Full detail, fees and holiday dates are in our Arizona oversize permit guide.
Sources: ADOT: Oversize/Overweight Permits; 17 A.A.C. 6 (PDF); ADOT Route Restriction Table 4 (PDF). Checked Oct 22, 2026.
Roads
Quartzsite, Phoenix, Casa Grande, Tucson, Benson, Willcox. The Phoenix and Tucson segments are where curfews bite.
The northern lane through Flagstaff and Winslow, at elevation, with winter weather.
A long climb out of the valley. Heavy loads need the right power, and traffic on weekends is heavy.
The cross-border lane. Commercial trucks at Nogales use the Mariposa crossing, and ADOT runs ports of entry statewide.
Source: ADOT: Port of Entry Locations. Checked Oct 22, 2026.
Who ships here
Sources: USGS Mineral Commodity Summaries 2026: Copper (PDF); USGS Mineral Commodity Summaries 2026, Table 3 (PDF); USGS news release on 2025 mineral production. Checked Oct 22, 2026.
Why Vector
In Arizona the permit is rarely the hard part. Timing is: a curfew in Phoenix, a noon cutoff before a holiday, and a night route that only works if the load fits the Table 4 limits. We plan the clock first, then book the truck.
Typical Arizona move: a 12 ft wide mining component, Tucson to a mine site in the copper district. Class A single-trip permit, timed around Tucson curfews, with escorts per the permit and Table 4.
Instant answer
Punch in the piece you need moved. We will tell you whether it runs legal, what trailer it belongs on, and what to expect before you ever pick up the phone. Add origin and destination and we will map the route and break down permits state by state.
Estimates based on standard federal and state limits as of June 2026. States change fees and rules, and exact requirements depend on route and axle configuration, so check with your broker for current information. Permits, routing, and escorts are exactly the work we handle for you. Routing by OSRM, geocoding © OpenStreetMap contributors.
Questions we get
8 ft 6 in wide and 14 ft high, or 8 ft and 13 ft 6 in where restricted under ADOT Table 4.
Non-reducible loads up to 14 ft wide, 16 ft high, 120 ft long and 250,000 lb on state routes. Larger loads need a Class C special permit.
Yes. Loads over 10 ft wide may not run on listed freeway segments Monday to Friday from 7 to 9 AM and 4 to 6 PM.
Covered loads stop at noon Wednesday, Nov 25 and resume Friday, Nov 27.
Yes. ADOT permits cover state routes only. City and county roads need local permits, and Phoenix issues its own.
Keep reading
We run all 48 states. Call (310) 989-6530 or send the details. Same-day answer, CRST capacity behind it.
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