---
title: Indiana Oversize & Overweight Permits (OS/OW) | INDOT Superload | Alpine Truck Service
description: Expedited Indiana INDOT oversize permits, Indianapolis I-465 curfews, Indiana Toll Road clearances, and ISP escorts across I-65 and I-70. Call (918) 607-6547.
image: https://www.alpinetruckservice.com/alpine-third-party-charges.webp
---

# Indiana Oversize, Overweight & Superload Permitting Services

Comprehensive commercial trucking permits and heavy haul compliance across Indiana.

## Agency & Permitting Authority
- **Agency**: Indiana Department of Transportation (INDOT) / DOR
- **Portal**: Indiana INTIME Motor Carrier Permitting System
- **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**: 13' 6" | **Max Routine**: 15' 0"
- **Legal Length**: 53' Semi-Trailer / 60' Overall | **Max Routine**: 110' 0"
- **Legal Gross Weight**: 80,000 lbs | **Max Routine**: 120,000 lbs
- **Axle Limits**: Single: 20,000 lbs, Tandem: 34,000 lbs, Tridem: 42,000 lbs

## Permitting Scope & Services in Indiana
- **Routine Oversize (OS) Cab-Cards**: Single-trip authorizations for dimensions exceeding 8' 6" width or 13' 6" 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 120,000, 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 120,000 lbs GVW or exceeding standard Indiana axle weight charts
- **Width Trigger**: Over 16' 0" wide
- **Height Trigger**: Over 15' 0" high
- **Length Trigger**: Over 110' 0" overall length
- **State & Partner Bridge Review**: Indiana Department of Transportation (INDOT) / DOR 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' 4" wide on two-lane roads; over 14' 4" wide on multi-lane highways
- **Rear Escort**: Required over 14' 4" wide on multi-lane highways or length exceeding 90' 0"
- **Height Pole**: Required for loads exceeding 14' 6" in height (lead vehicle with calibrated pole)
- **Police Escort**: Indiana State Police (ISP) escort required over 16' 0" wide, 17' 0" high, or gross weight over 120,000 lbs

## Metro Curfews & Travel Restrictions
- **Curfew Zones**:
  - Indianapolis / Marion County (I-465, I-65, I-70, I-69, I-74): 6:00–9:00 AM & 3:30–6:00 PM M-F
  - Lake County / Gary / Hammond (I-80/94, I-90 Borman Expressway): 6:00–9:00 AM & 3:30–6:00 PM M-F
- **Travel Rules**: Daylight only (1/2 hour before sunrise to 1/2 hour after sunset) Monday through Friday. Saturday travel allowed until 12:00 noon for loads under 12' wide. No Sunday travel. Overweight-only loads up to 120,000 lbs may travel 24/7.

## Key Freight Corridors
- I-65 (Chicago to Indianapolis/Louisville)
- I-70 (Cross-State Logistics Spine)
- I-80 / I-90 (Indiana Toll Road)
- I-69 (Auto Manufacturing Corridor)
- I-74
- I-465 (Indianapolis Loop)

## Frequently Asked Questions
### How long does Indiana DOR/INDOT take to issue an oversize permit?
Routine single-trip permits are typically processed in 2–4 business hours through the INTIME portal. Superloads requiring bridge engineering reviews take 3–5 business days.

### What are Indiana's pilot car escort triggers?
Indiana requires 1 escort for loads over 12'4" wide on 2-lane roads and over 14'4" on multi-lane highways. Loads exceeding 90' in length require a rear escort. Height over 14'6" requires a height pole.

### What are Indianapolis rush hour curfew restrictions?
Oversize vehicles cannot travel within Marion County (Indianapolis I-465 loop) between 6:00–9:00 AM and 3:30–6:00 PM on weekdays.

### Are oversize loads permitted on the Indiana Toll Road (I-80/90)?
Yes, but loads exceeding standard dimensions or 90,000 lbs require toll road authorization in addition to the state permit.

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