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DOT Regulatory Directory • 50 Jurisdictions

50-State Oversize & Overweight Permit & Curfew Directory

Never get caught running wide after sunset. Look up legal non-permit dimensions, East vs. West legal height thresholds (13'6" vs. 14'0"), pilot car requirements, and direct telephone numbers for state DOT permit offices.

Legal Width: 8 ft 6 in Federal Baseline13'6" vs. 14'0" Western Height FilterDirect State DOT Permit Office Phone Lines
Official Highway Regulations

State DOT Oversize Dimensions & Curfew Directory

Showing 21 of 21 jurisdictional regulatory profiles
AL

Alabama

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Daylight only (1/2 hr before sunrise to 1/2 hr after sunset). No Sunday travel if over 12' wide.
Pilot Car Threshold: Front escort required over 12' wide; rear escort over 14' wide.
Operational Note: Interstate night moves permitted up to 10' wide with amber beacons.
AZ

Arizona

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height14' 0"
Max Length65' 0"
Travel Curfews: Continuous travel allowed for loads up to 10' wide, 14'6" high, 120' long. Metropolitan curfews apply in Phoenix/Tucson.
Pilot Car Threshold: Rear escort required over 14' wide on 2-lane roads; 16' on Interstate.
Operational Note: Western 14-foot legal height state. ADOT electronic permits issued via ePermits.
AR

Arkansas

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Daylight only (sunrise to sunset). Weekend travel allowed Saturday until noon for loads under 14' wide.
Pilot Car Threshold: 1 escort over 12' wide on 2-lane highways; 2 escorts over 14' wide.
Operational Note: Strict enforcement on I-40 and I-30 bridge weight limits.
CA

California

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height14' 0"
Max Length65' 0"
Travel Curfews: Heavy commuter curfews in LA, San Diego, and Bay Area (6-9 AM & 3-6 PM). Daylight only for loads over 12' wide.
Pilot Car Threshold: 1 pilot car over 12' wide; 2 pilot cars over 15' wide.
Operational Note: Kingpin-to-rear-axle (KPRA) advisory limit of 40 feet strictly enforced on trailers.
CO

Colorado

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height14' 6"
Max Length70' 0"
Travel Curfews: Mountain pass curfews (I-70 Eisenhower Tunnel) on weekends and peak ski hours. Daylight only over 11' wide.
Pilot Car Threshold: 1 escort over 13' wide on 2-lane roads; 2 escorts over 15' wide.
Operational Note: Chain law mandatory September 1 through May 31 on I-70 corridor.
FL

Florida

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: 1/2 hr before sunrise to 1/2 hr after sunset. Sunday travel permitted up to 12' wide and 14' high.
Pilot Car Threshold: 1 escort over 12' wide; 2 escorts over 14' wide or 15' high.
Operational Note: Florida Turnpike requires separate tandem axle spacing verification.
GA

Georgia

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Atlanta I-285 perimeter curfew: No oversize movement 6-9 AM & 4-7 PM Monday through Friday.
Pilot Car Threshold: 1 escort over 12' wide; 2 escorts over 14'8" wide.
Operational Note: Annual amber light permit required for Georgia escort operators.
IL

Illinois

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Cook County (Chicago) curfews: No movement 6-9 AM and 4-6 PM on expressways.
Pilot Car Threshold: 1 escort over 14'6" wide on 4-lane; 1 escort over 12' wide on 2-lane.
Operational Note: Strict portable scale enforcement on I-80 and I-55 freight arteries.
IN

Indiana

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length60' 0"
Travel Curfews: Daylight only (sunrise to sunset). Weekend travel permitted Saturday until noon for loads under 12'4" wide.
Pilot Car Threshold: 1 escort over 12'4" wide on 2-lane; 2 escorts over 14'4" wide.
Operational Note: Indiana Toll Road (I-80/90) operates under separate overweight permit tiers.
IA

Iowa

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Continuous 24/7 travel permitted up to 12' wide and 14'6" high on 4-lane Interstates.
Pilot Car Threshold: 1 escort over 14'6" wide on 4-lane; 1 escort over 12' wide on 2-lane.
Operational Note: Agricultural machinery exemption rules apply during harvest seasons.
KS

Kansas

DOT Oversize Compliance
Max Gross: 85,500 lbs
Max Width8' 6"
Max Height14' 0"
Max Length65' 0"
Travel Curfews: Daylight only (1/2 hr before sunrise to 1/2 hr after sunset). 24/7 travel for overweight-only.
Pilot Car Threshold: 1 escort over 14' wide on 2-lane; 2 escorts over 16' wide.
Operational Note: State commercial limit allows up to 85,500 lbs gross on non-interstate state routes.
KY

Kentucky

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Daylight travel only for loads over 10'6" wide. Louisville and Cincinnati metro curfews apply.
Pilot Car Threshold: 1 escort over 12' wide; 2 escorts over 14' wide.
Operational Note: Coal haul routes offer higher axle weight ratings under specific KYTC permits.
LA

Louisiana

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Sunrise to sunset only. New Orleans and Baton Rouge bridge curfews during rush hours.
Pilot Car Threshold: 1 state police escort required over 14' wide; 2 police escorts over 16'.
Operational Note: Heavy oilfield equipment movements frequently require state police escorts.
MI

Michigan

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Sunrise to sunset. Weekend travel restricted for wide loads over 12' during summer holidays.
Pilot Car Threshold: 1 escort over 12' wide on 2-lane; 2 escorts over 14' wide.
Operational Note: Unique multi-axle gross weight allowances up to 164,000 lbs on 11 axles.
MO

Missouri

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height14' 0"
Max Length65' 0"
Travel Curfews: 1/2 hr before sunrise to 1/2 hr after sunset. St. Louis & Kansas City rush hour curfews.
Pilot Car Threshold: 1 escort over 12'4" on 2-lane; 2 escorts over 14' wide.
Operational Note: Commercial zone allowance permits 15' height in designated Kansas City/St. Louis zones.
NC

North Carolina

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length60' 0"
Travel Curfews: Sunrise to sunset. No Sunday movement for loads exceeding 10' wide.
Pilot Car Threshold: 1 escort over 12' wide; 2 escorts over 14' wide.
Operational Note: Blue Ridge Parkway strictly prohibits all commercial motor vehicles.
OH

Ohio

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: Daylight only for loads exceeding 12' wide. Continuous movement permitted for overweight-only.
Pilot Car Threshold: 1 escort over 13' wide; 2 escorts over 14'6" wide.
Operational Note: Ohio Turnpike (I-80/90) has dedicated oversized toll gates and fee schedules.
OK

Oklahoma

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: 1/2 hr before sunrise to 1/2 hr after sunset. Oklahoma City & Tulsa rush hour curfews.
Pilot Car Threshold: 1 escort over 12' wide; 2 escorts over 14' wide.
Operational Note: Oklahoma Corporation Commission regulates annual oversized blanket permits.
PA

Pennsylvania

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length70' 0"
Travel Curfews: Sunrise to sunset. Philadelphia & Pittsburgh metro curfews strictly enforced.
Pilot Car Threshold: 1 pilot car over 13' wide; 2 pilot cars over 14'6" wide.
Operational Note: PA Turnpike requires separate electronic APRAS oversize routing approval.
TN

Tennessee

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height13' 6"
Max Length65' 0"
Travel Curfews: 1/2 hr before sunrise to 1/2 hr after sunset. Nashville, Memphis, Knoxville rush-hour bans.
Pilot Car Threshold: 1 escort over 12'6" wide; 2 escorts over 14' wide.
Operational Note: I-24 Monteagle mountain grade requires strict brake inspection verification.
TX

Texas

DOT Oversize Compliance
Max Gross: 80,000 lbs
Max Width8' 6"
Max Height14' 0"
Max Length65' 0"
Travel Curfews: 1/2 hr before sunrise to 1/2 hr after sunset. Night travel permitted up to 10' wide with TxDMV approval.
Pilot Car Threshold: 1 escort over 14' wide; 2 escorts over 16' wide. Front escort with height pole over 17' high.
Operational Note: Texas 1547 Single-Trip Permits issued 24/7 online via TxPROS system. 14-foot legal height state.

Essential Rules for Hauling Oversize Loads with a Hotshot Rig

Hotshot operators pulling 40-foot gooseneck flatbeds are frequently hired to transport oversized freight: wide agricultural equipment, industrial generators, sheds, and excavators. Operating with non-divisible loads over legal dimensions requires strict adherence to jurisdictional safety rules.

1. The 8' 6" Legal Width Rule

Across all 50 states and federal Interstate highways, any cargo exceeding 8 feet 6 inches (102 inches) requires an oversized load permit. Even a single blade or tire protruding by 2 inches will trigger an out-of-service citation at a weigh station.

2. 13' 6" vs. 14' 0" Height Line

East of the Mississippi River, legal height is almost universally 13 feet 6 inches due to historical railroad bridges and low clearance overpasses. Western states (Texas, Colorado, Arizona, California) permit 14 feet 0 inches. Always route with a certified low-clearance GPS.

3. Sunset & Weekend Curfews

Most states restrict oversized movement to daylight hours only (from 30 minutes before sunrise to 30 minutes after sunset). Major metropolitan belts (Atlanta I-285, Chicago Cook County, Dallas/Fort Worth) enforce morning and evening rush-hour curfews.