Hawaii Oversize/Overweight Permits

hawaii oversize permitPERMITS

Permits are valid only for the dates specified. The permit covers only the person or firm designated as permitted and is not transferable. The permit must be carried in the vehicle during the movement. For annual permits, a copy of the permit is carried in the vehicle, and the original permit must be readily available for inspection from the operator’s offices in the county of issuance.


Travel is allowed during daylight hours, except during peak hours. Divisible load permits are not available. Operating time is specified on the permit. Night travel may be authorized in the permit for oversize or overweight vehicles. Authorized weekend travel will also be noted on the permit. Movements on Saturdays and Sundays are at the discretion of the applicable district engineer.

Permit Types:

Single Trip – Valid only over a specified route between pre-determined points of origin and destination.

Continous Trip – Should not be more than 1 year (for loads less than 12’ wide and an overall length of less than 70’).

Annual Trip – Valid for 1 year.

Overweight Permit

Oversize Permit

Legal Dimensions

Width: 9’
Height: 13’6”
  • Single(steer) – 22,500 lbs.
  • Single – 24,000 lbs.
  • Tandem – 34,000 lbs.
  • Tridem – 42,000 lbs. (8’ spacing)

Federal Bridge Formula applies

  • Single: 40”
  • Semi-trailer: 58’
  • Overall length: 65’
  • Doubles (overall length): 65’
Overhang: 4’ – front

4’ – rear

Permit Limits

Width: 16’
Height: No set limit
Length: No set limit
Weight: (Gross weight limit is 88,000 lbs.)
  • Single – 48,000 lbs.
  • Tandem – 84,000 lbs.

Any vehicles with a weight over the legal allowance require a bridge survey to confirm their route.

Escorts and Signs

Labeling: Signs reading “wide load” are required on all vehicles over 12’ in width. The sign must have a yellow background with black letters 10″ high. Sign dimensions must be 6’ x 1’. Vehicles over 12’ in width require red 24″ square flags.

Escort Vehicles and Personnel: Vehicles over 12’ in width require a lead escort. Two escorts are required for vehicles over 14’ in width.

Certification: Pilot Car Escort Certification is not a requirement.

Restricted Travel

Hawaii restricts oversize and overweight travel on state highways during the following hours: 5:00–8:30 a.m. and 3:00–6:00 p.m. Hawaii Administrative Rules Chapter 19-101 establishes restricted movement of overweight vehicles along and upon Hana Highway between Kailua Village and Hana Town. Vehicles with a gross weight of less than 10 tons may operate without a permit.

You can also obtain any trip and fuel permits you may need with our sister site!