Hawaii oversize permit office

Hawaii Department of Transportation, Highways Division - District Permit Offices (Oahu, Maui, Hawaii, Kauai). Call (808) 831-6700 ext. 123 Hawaii time.

From Hawaii's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.

How to get one
Fill out the HDOT oversize/overweight application (DOT 4-005) and email it to the district office for the island you will drive on. Oahu (808) 831-6700 ext. 123, Maui (808) 873-3535, Hawaii (808) 933-8866, Kauai (808) 241-3000.
Single trip fee
Permit fee varies from $5.00 to $25.00. Announcement July 8, 2026: all application fees for Oversize/Overweight permits will be waived until further notice.Source 1Source 2
Legal without a permit
Width nine feet, including load · Height fourteen feet, including load · Length single vehicle forty-five feet; truck-tractor and semitrailer sixty-five feet (semitrailer forty-eight feet), off interstate and designated federal-aid highways · Weight single axle twenty thousand pounds; tandem axle thirty-four thousand pounds; axle groups by formula W = 500 (LN/(N-1) + 12N + 36); overall gross weight eighty thousand poundsSource 1Source 2
How fast
Most permits are checked and issued by the district office within one day. Ones that need headquarters review can take at least three weeks.Source

When you can move

Daylight
Move only during the hours written on your permit, and not on days or hours when heavy traffic is expected.Source
At night
Night moves only when your permit allows them, with lights and reflectors to state motor carrier rules and a reflective WIDE LOAD sign.
Weekends
No moves on Saturday or Sunday unless the district engineer allows it on your permit.