---
title: Arizona Oversize & Overweight Permits (OS/OW) | ADOT Superload | Alpine Truck Service
description: Expedited Arizona ADOT oversize permits, Phoenix curfew routing, and pilot cars across I-10 and I-40. 24/7 commercial dispatch desk. Call (918) 607-6547.
image: https://www.alpinetruckservice.com/alpine-third-party-charges.webp
---

# Arizona Oversize, Overweight & Superload Permitting Services

Comprehensive commercial trucking permits and heavy haul compliance across Arizona.

## Agency & Permitting Authority
- **Agency**: Arizona Department of Transportation (ADOT)
- **Portal**: ADOT ePermits Portal
- **Regulatory Advisory**: State DOT regulations and permit processing queues are determined by individual state transportation authorities and vary by agency workload. Carriers should verify active route advisories and state requirements prior to movement.

## Legal vs. Routine Permitted Dimensions
- **Legal Width**: 8' 6" | **Max Routine**: 16' 0"
- **Legal Height**: 14' 0" | **Max Routine**: 16' 0"
- **Legal Length**: 53' Semi-Trailer / 65' Overall | **Max Routine**: 120' 0"
- **Legal Gross Weight**: 80,000 lbs | **Max Routine**: 150,000 lbs
- **Axle Limits**: Single: 20,000 lbs, Tandem: 34,000 lbs, Tridem: 42,000 lbs

## Permitting Scope & Services in Arizona
- **Routine Oversize (OS) Cab-Cards**: Single-trip authorizations for dimensions exceeding 8' 6" width or 14' 0" height.
- **Overweight (OW) Axle Permits**: Overload cab-cards for heavy machinery and configurations exceeding 80,000 lbs GVW.
- **Multi-Axle Superload Permits**: Specialized filings exceeding Over 250,000, including State DOT and certified partner bridge reviews, route surveys, and police escorts.
- **Annual & Blanket Fleet Permits**: Continuous-operation annual highway authorizations for construction fleets.
- **Temporary Trip & Fuel Permits**: 72-hour IRP vehicle registration and IFTA fuel tax credentials.
- **County, City & Toll Road Clearances**: Municipal authorizations and turnpike clearances.

## Superload Permitting & State Review Protocol
- **Weight Trigger**: Over 250,000 lbs GVW or exceeding Arizona Bridge Formula limits
- **Width Trigger**: Over 16' 0" wide
- **Height Trigger**: Over 16' 0" high
- **Length Trigger**: Over 120' 0" overall length
- **State & Partner Bridge Review**: Arizona Department of Transportation (ADOT) electronic systems and certified structural engineering partners evaluate axle load distribution across bridge structures upon submission.
- **Route Surveys & Clearances**: Required for extreme heights/widths to verify overhead physical clearances.
- **Utility & Escorts**: Coordinated wire lifts with power utilities and State Police / Highway Patrol escorts.

## Pilot Cars & Escort Vehicle Requirements
- **Front Escort**: Required over 12' 0" wide on 2-lane highways; over 14' 0" wide on multi-lane freeways
- **Rear Escort**: Required over 14' 0" wide or length exceeding 110' 0"
- **Height Pole**: Required over 15' 6" high (front escort with calibrated fiberglass pole)
- **Police Escort**: Required over 18' 0" wide, 17' 0" high, or for major bridge crawl movements

## Metro Curfews & Travel Restrictions
- **Curfew Zones**:
  - Phoenix Metro (I-10, I-17, Loop 101, Loop 202): 6:00–9:00 AM & 4:00–7:00 PM M-F
  - Tucson Metro (I-10, I-19): 7:00–9:00 AM & 4:00–6:00 PM M-F
- **Travel Rules**: Continuous travel permitted for routine loads up to 10' wide and legal height on designated interstate routes. Night movement requires certified amber lighting and escort warning beacons.

## Key Freight Corridors
- I-10 (Southern Freight Corridor)
- I-40 (Cross-Country Logistics Spine)
- I-17 (Phoenix-Flagstaff Corridor)
- I-19 (Nogales Port of Entry)
- I-8 (San Diego to Arizona)

## Frequently Asked Questions
### What is Arizona's legal height limit?
Arizona allows 14'0" legal height on all state highways and interstates without a permit.

### What are Phoenix rush hour curfew restrictions for wide loads?
Loads over 10' wide cannot move in the Phoenix metro area on weekdays from 6:00 AM to 9:00 AM and 4:00 PM to 7:00 PM.

### How are ADOT superloads processed?
Superloads exceeding 250,000 lbs or 16' wide undergo bridge stress analysis by ADOT engineers. Alpine submits applications directly to expedite review.

### Can I get an annual oversize permit in Arizona?
Yes, Arizona offers annual permits for non-divisible loads up to 12' wide and 14'8" high.

## Contact & Direct Dispatch
- **Direct Phone**: (918) 607-6547 (CALL: [918-607-6547](tel:9186076547))
- **Email**: [permits@alpinetruck.com](mailto:permits@alpinetruck.com)
- **Online Intake**: [alpinetruckservice.com/permits/arizona](https://www.alpinetruckservice.com/permits/arizona)