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Hawaii Oversize Permits Information


Permits are valid only for dates specified.

Operating Time

Travel is allowed during daylight hours, except during peak hours. Divisible load permits are not available. The permit covers only the person or firm designated as permitted and is not transferable. The permit shall 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.


Weekend/Night Travel – 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. Holiday – Restrictions are noted on the permit and holiday travel may be authorized.

Travel may be restricted on state highways during the following hours 5:00–8:30 am and 3:00–6:00 pm. Hawaii Administrative Rules Chapter 19-101 establishes restricted movement of overweight vehicles along and upon Hana Highway between Kailua Village and Hana Town. (Restricted gross weight of less than 10 ton without a permit)

Legal dimensions

The vehicle must have the following characteristics:

  • Width: 9
  • Height: 14
  • Length: 48′ semi-trailer, 65′ overall
  • Overhang: 4′ front, 4′ rear.
  • Weight: GVW 88000.

Routine Oversize Permit limits

  • Width: 14’
  • Length: 70’
  • High: 16’


  • Width: 12’
  • Height: Depends on routing
  • Length: Depends on routing

Security Measures

ESCORTS AND SIGNS Labeling — Signs reading “wide load” are required on all vehicles over 12' in width. Sign must have yellow background with black letters 10" high. Sign dimensions must be 6' x 1'. Red flags 24" square are required on vehicles over 12' in width. Escort Vehicles and Personnel — Vehicles over 12' in width must be accompanied by a lead escort. Two escorts are required for vehicles over 14' in width. Certification – Pilot Car Escort Certification is not currently required.

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