DIMENSIONS: Width: 8' (Roadways <12 ft) Width 8' 6" (Roadways 12' &+) Height: 13' 6" Length: Single Vehicle - 40' Truck-semi-trailer - 57' Legal Overhang - 5' Front and rear
WEIGHTS Load Weight: 20,000 lb./axel Tandem Axel: 34,000 lb. Steering Axel: 20,000 lb. Gross Weight: 80,000 lb.
Alabama Permit Department Contact Information
7:00 AM - 4:45 PM Central
Over height vehicles/loads: Front escort with height indicator is required for heights greater than 15’6”.
Over width vehicles/loads: (a) Loads greater than 12’ and up to 14’ wide require 1 front escort on two-lane roads, or (b) 1 rear escort for multilane roads.
Loads greater than 14’ wide require 1 front and 1 rear escort on all roads.
Over length vehicles/loads:
(a) A single rear escort is required for lengths greater than 90 feet up to 125 feet,
A front and a
rear escort are required for lengths greater than 125 feet up to 150
(b) Front and rear law enforcement escorts are required for lengths greater than 150 feet.
(c) A rear escort is required for any permitted vehicle transporting a load extending more than 5 feet beyond the rear of the vehicle. A front escort is required for any permitted vehicle transporting a load extending 10 feet or more beyond the front of the vehicle.
Maximum weight on Interstate Highway System of Alabama that shall have a greater weight than:
20,000 pounds per axle,
34,000 pounds per tandem axle
Maximum overall gross weight on a group of
two or more consecutive axles using the following
7-Day Fuel Permit - $20.00
7-Day Trip Permit - $20.00
Combined 7-Day Trip & Fuel Permit - $40.00Vehicles that are subject to International Registration Plan (IRP) and International Fuel Tax Agreement (IFTA) licensing requirements must obtain an IFTA fuel license and decal and an IRP license plate and cab card before operating interstate.
2,000 – 3,000 lbs
3,001 – 4,000 lbs
4,001 – 5,000 lbs
5,001 lbs and over
"Oversize" Banner requirements
sign shall be mounted on the front and rear of the transport vehicle
where the license plate and headlights are not blocked. The sign shall
contain the wording “OVERSIZE LOAD” in black letters on a yellow
background. The size of the sign shall be 7 feet wide and 18 inches
high. The letters shall be 10 inches high with a 1.4” – 1.5” brush
All Oversize Vehicles require 18” square fluorescent orange or Red at four corners at the extremities of the load.
There is no mention of light requirements for oversize vehicles.Transport vehicles shall be equipped with a flashing or strobe amber light, visible 360 degrees at 500 feet. If escort vehicles are required, they will be equipped with warning lights.
1/2 hour before sunrise to 1/2 Hour after sunset Running not Permitted: Sundays and the following holidays: New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day
Every motor carrier, motor vehicle, truck, semitrailer, and trailer shall be equipped with pneumatic tires of sufficient traction surface in accordance with the capacity of the motor carrier or motor vehicle,
Tread: Minimum of 2/32 inch around the tire.
A tire is considered unsafe if any ply or cord is exposed; any bump or bulge, tread separation, tread or sidewall cracks or cuts in excess of one inch, or grooved unless specially manufactured for re-grooving.
It is permissible to use tire chains or metal studded or safety spike tires of reasonable proportions upon any vehicle when required for safety because of snow, rain, or other conditions tending to cause a vehicle to slide or skid.
Every solid rubber tire on a vehicle moved on any highway shall have rubber on its entire traction surface of at least four inches and one inch thick above the edge of the flange of the entire periphery.
An annual or single trip permit shall not authorize the operation of a vehicle including all enforcement tolerances: if total gross weight exceeds 150,000 pounds; provided, that gross weights over 100,000 pounds shall require advance routing by the department; if single axle weight exceeds 22,000 pounds.
An annual permit is valid for one (1) year. They are vehicle specific. The VIN on the permit MUST match the VIN on the transporting vehicle. Annual permits are limited to the following dimensions:
Work Zone Safety:
SLOW DOWN . Workers and equipment are working to maintain and improve highways. Slow down.
Speeding is one of the major causes of work zone crashes.
If possible,, PLAN AHEAD when traveling through a work zone in order to reach your destination on time.
Single Trip Permit
Valid for 5 days
Valid for One Round Trip – empty to destination, hauling load back, or vice-versa
Mobile Homes – maximum permissible dimensions = 16’ wide x 16’ high
Mobile Homes – maximum permissible dimensions = 14’ wide x 14’ high
Need “Routing Authorization” permit for Mobile Homes ≥ 12’ wide up to maximum 14’ wide
Routing Authorization from Permit Office must accompany the Annual Permit