---
title: Utah Oversize & Overweight Permits (OS/OW) | UDOT Superload | Alpine Truck Service
description: Expedited Utah UDOT oversize permits, Salt Lake City curfews, Uinta Basin oilfield routing, and UHP escorts across I-15 and I-80. Call (918) 607-6547.
image: https://www.alpinetruckservice.com/alpine-third-party-charges.webp
---

# Utah Oversize, Overweight & Superload Permitting Services

Comprehensive commercial trucking permits and heavy haul compliance across Utah.

## Agency & Permitting Authority
- **Agency**: Utah Department of Transportation (UDOT)
- **Portal**: UDOT Motor Carrier Division E-Permits 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**: 17' 0"
- **Legal Height**: 14' 0" | **Max Routine**: 16' 0"
- **Legal Length**: 53' Semi-Trailer / 65' Overall (75' on designated routes) | **Max Routine**: 120' 0"
- **Legal Gross Weight**: 80,000 lbs (up to 129,000 lbs on designated state network) | **Max Routine**: 150,000 lbs
- **Axle Limits**: Single: 20,000 lbs, Tandem: 34,000 lbs, Tridem: 42,500 lbs

## Permitting Scope & Services in Utah
- **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 150,000, 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 150,000 lbs GVW or exceeding standard Utah bridge load charts
- **Width Trigger**: Over 17' 0" wide
- **Height Trigger**: Over 16' 0" high
- **Length Trigger**: Over 120' 0" overall length
- **State & Partner Bridge Review**: Utah Department of Transportation (UDOT) 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 two-lane highways; over 14' 0" wide on multi-lane highways
- **Rear Escort**: Required over 14' 0" wide on multi-lane highways; length exceeding 105' 0"; rear overhang > 15' 0"
- **Height Pole**: Required for loads exceeding 15' 6" in height (lead vehicle with calibrated pole)
- **Police Escort**: Utah Highway Patrol (UHP) escort required over 17' 0" wide, 17' 0" high, or gross weight over 150,000 lbs

## Metro Curfews & Travel Restrictions
- **Curfew Zones**:
  - Salt Lake City Metro (I-15, I-80, I-215, Legacy Parkway, SR-201): 6:00–9:00 AM & 4:00–6:30 PM M-F
  - Provo / Orem (I-15) & Ogden (I-15, I-84) during peak commute hours
- **Travel Rules**: Daylight only (1/2 hour before sunrise to 1/2 hour after sunset) Monday through Friday. Weekend travel allowed up to 14' wide on Interstate highways during daylight hours. Night movement permitted for loads under 10' wide with proper lighting.

## Key Freight Corridors
- I-15 (Salt Lake City to Las Vegas / Idaho Spine)
- I-80 (Cross-Country Spine / Salt Lake to Nevada/Wyoming)
- I-70 (Central Utah Mountain Arterial)
- I-84
- US-89
- US-40 (Uinta Basin Energy Corridor)
- US-6

## Frequently Asked Questions
### What is Utah's legal height limit?
Utah allows 14'0" legal height on state and federal highways without requiring an oversize permit.

### What are Salt Lake City rush hour curfews for wide loads?
Oversize vehicles cannot travel on Salt Lake County highways (I-15, I-80, I-215, SR-201) between 6:00–9:00 AM and 4:00–6:30 PM on weekdays.

### What are Utah pilot car escort rules?
Utah requires 1 escort for loads over 12' wide on 2-lane roads and over 14' wide on multi-lane highways. Loads over 105' long require a rear escort. Height over 15'6" requires a height pole.

### How long does UDOT take to issue a Utah oversize permit?
Routine single-trip permits are typically issued in 2–4 business hours through UDOT's E-Permits portal. Superloads take 3–5 business days.

## 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/utah](https://www.alpinetruckservice.com/permits/utah)