Dimensions: Width: 8' 6" Height: 14' Length 48'53' Legal Overhang: Front 4', Rear 10'
Weights: Single Axle: 20,000 lb. Tandem axle: 34,000 lb. Tridem: 42,000 lb. Max Gross Weight: 80,000
Idaho Permit Department Contact Information
7:30 AM - 5:00 PM Mountain
Pilot car requirements are divided into three categories, defined by route colors: Red, Black and White.
Overwidth: 8ft 10 in. to 10 ft - 1 Escort in Front
10ft 1 in. to 12 ft 6 in. - 1 Escort in Front, 1 in Rear
Overlength: 75 ft - 1 Escort in front
Overlength and overwidth: Length 75 ft and width 8 ft 7 in. - 12 ft 6 in.- 1 Escort in Front, 1 in Rear
Overwidth: 8ft 7 in. to 12 ft - N/A
12 ft 1 in. to 14 ft. - 1 Escort in Front, 1 in Rear
Overlength: 100 ft - 1 Escort in FrontOverlength and overwidth: Length 100 ft and width 12 ft 1 in. - 18 ft in.- 1 Escort in Front, 1 in Rear
Overwidth: 8ft 7 in. to 15 ft - N/A
15 ft 1 in. ft 1 in. to 18 ft. - 1 Escort in Rear
Single Axle - 20,000
Tandems - 34,000 pounds
total gross weight - 80,000 lb
Single Axle - 20,000
Tandems - 37,800 pounds
total gross weight - 80,000 lb
Permit required for weights for vehicles with loads exceeding 80,000
A 120-hour fuel permit is available
separate from or in conjunction with the 120-hour Registration Permit
for carriers who are operating interstate (crossing state lines) and do
not have a current IFTA license in any IFTA jurisdiction.
Fees are: $60 per permit.
A fuel permit is required if you are operating a vehicle that is:
120-Hours Temporary Permit
Duration - 5 days (120 hours)
If the Power Unit is registered for Idaho and the trailer is registered with Idaho or another state: No Permit fee is required
If the Power Unit is not registered for Idaho and the trailer(s) is registered in Idaho or another state: the Single Permit Fee is $60.00
If the Power Unit is registered for Idaho, but the trailer is not registered in Idaho or another state or if hauling piggy-back: the Single Permit Fee is $60.00
Fines start at 300$ and go well over 2500$ with county jail also being a punishments if the violation is sever enough. If caught multiple times in a 12 month period the fines can be upwards of a few thousand dollars or up to 6 months in jail.
Lights are only required for night time travel, which is defined as traveling 30 minutes after sunset and 30 minutes before sunrise. Lights can be consistent or flashing as long as it's visible.
Vehicles can move 7 days a week, with night time travel allowed if stated on the permit and with proper lighting. Holiday travel will be listed on the permit and each city has their own rules in regards to travel time.
Studded snow tires are permissible from October 1 to April 30. There are no specific restrictions on the use of tire chains in Idaho. While it may be legal to use the tires, officials advise against it unless conditions warrant. Studded tires may cause undue wear on bare roadways. There are times when chains are required. Signs will be posted “Chains required beyond this point” when the road is snow-covered or icy.
Note: 2/32 inch is the minimum legal tread depth.Solid rubber tires on a vehicle shall have rubber on its entire traction surface at least one (1) inch thick of the entire periphery.
Chains may be required at Lookout
Pass or Fourth of July Pass on interstate 90 or Lolo Pass on state
highway 12. The state will provide advance notice of the chains requirement adequate opportunities to pull out and chain up.
Type of Load Restrictions: This rule states the size, weight or speed limit restrictions the Department may place on the state highway system if the operation of vehicles could cause damage to the road due to climatic or other conditions. Due to conditions, loads will be restricted to one of the following categories in the interests of public safety: (1) Maximum of: legal allowable weight, (2) 16,000 pounds on any axle, (3) 14,000 pounds on any axle, or (4) 12,000 pounds on any axle.
Width Limitation on Two Lane Road: A spring breakup weight restriction to less than legal weight automatically also places a restriction on width allowed by special permit to 12 feet 6 inches during the period of the weight restriction.
Restrictions (30 mph) and Weight Restrictions during spring breakup, including:
a. Minimum tire width is 10 inches or larger.
b. Maximum axle weight on single axle having 2 single wheels shall not exceed 10,000 pounds.
c. Maximum axle weight on single axle having 4 or more tires shall not exceed 14,000 pounds.
Multitrip permits up to 12 months in duration may be issued to transport indivisible loads on specified highways to an alternative energy construction site or staging area for alternative energy transportation. These vehicles are allowed up to 256,000 lbs. gross vehicle weight but must adhere to single axle limits of 20,000 lbs. each. The permit-issuing authority may include other restrictions or require special considerations before issuing the permit (Iowa Code Ann. §321E.9B).
Overweight/Oversize (non-reducible) annual permit fee for 12 consecutive months - $128 plus quarterly mileage reports;
Oversize annual permit - $43
The Idaho Transportation Department's policy is to plan, design, construct, maintain and operate safe and efficient Temporary Traffic Control (TTC) zones and providing Law Enforcement in work zones .
Don’t Be A Distracted Driver and dedicate your full attention to the roadway while traveling in a construction zone.
Special Penalties Apply - an additional $50 penalty for breaking the posted speed limit. If the weather is poor, you may need to drive even slower. Keep your speed consistent with traffic flow and do not resume your normal driving speed until you see signs indicating that it is safe to do so.
All manufactured homes moved on their own axles on any public highway are required to be licensed, permanently or temporarily, with the exception of, new manufactured homes, being transported either prior to first sale at retail or to the initial setup location of the original purchaser.
Liability insurance is required: $300,000 coverage for permittee’s own manufactured home or $750,000 when hauling for hire.
Width. Shall be limited to a maximum of 16 feet at the base and shall not exceed 18 feet overall width including the eaves.All axles shall be in accordance with CFR Title 24, for the year the manufactured home was built, except that 16-foot wide (at the base) manufactured homes shall be required to have a minimum of 4 axles.
Brakes shall be in accordance with CFR Title 24, for the year the manufactured home was built, except that 16 foot wide (at the base) manufactured homes shall be required to have brakes on a minimum of three (3) axles.
The unit shall have stop lights, turn signals, and tail lights.Towing Vehicle. Tow vehicles for manufactured homes, modular buildings, and office trailers shall comply with the following minimum requirements:
|Manufactured Homes and Office Trailer Width||Tire Width||Drive Axle Tire Rating||Min. Unladen Weight||Rear Axle Rating|
|over 8ft to 10ft||7.00 inches||6 Ply||6,000 lbs.||None|
|over 10ft to 12ft||8.00 inches||8 Ply||8,000 lbs.||15,000 lbs.|
|over 12ft||8.25 inches||10 Ply||12,000 lbs.||15,000 lbs.|
Drivers must hold current Class A or B Commercial Driver's License.
Maximum Speed Limit 60 miles per hour.
Length not to exceed 80 feet.
Width. Not in excess of 16 feet at the base and 18