Hawaii Pilot Car Requirements
When Hawaii requires a pilot car, how many, and when a height pole car is needed. Set by Hawaii DOT Highways Division (island district permit offices).
HI, reviewed October 2026
The short answer for Hawaii
Loads wider than 12 ft 0 in need a pilot car in Hawaii.
Hawaii asks for a first pilot car at 12 ft 0 in wide. 28 of the 45 states that publish a width wait until a wider load, and 1 start earlier; 15 more match it.
Loads exceeding 12 ft wide require an escort vehicle; an extra escort may be required depending on road and traffic, escort may be needed over 10 ft on winding two-lane roads, and projections over 4 ft need an escort.
Check your load for Hawaii
Oversize permit required in Hawaii
- Width 10 ft 0 in exceeds the 8 ft 6 in legal limit.
No width-based pilot car at 10 ft 0 in wide.
Hawaii escort thresholds
| First pilot car | 12 ft 0 in wide and over |
|---|---|
| Second pilot car | Not confirmed: check your permit conditions |
| Height-pole escort | Not confirmed: check your permit conditions |
| Length escort | Not confirmed: check your permit conditions |
Pilot cars by load width in Hawaii
Escorts to plan for at each width, from the thresholds above. The permit sets front and rear positions.
| Load width | Pilot cars |
|---|---|
| 8 ft 6 in (legal width) | None required for width |
| 9 ft 0 in | None required for width |
| 10 ft 0 in | None required for width |
| 11 ft 0 in | None required for width |
| 12 ft 0 in | 1 pilot car |
| 13 ft 0 in | 1 pilot car |
| 14 ft 0 in | 1 pilot car |
| 15 ft 0 in | 1 pilot car |
| 16 ft 0 in | 1 pilot car |
Before you book an escort
- Read the escort conditions on your Hawaii permit. They control over any summary, including this one.
- Ask about certification and insurance rules for escort drivers at Hawaii DOT Highways Division (island district permit offices) ((808) 831-6700 ext. 107 (Oahu)).
- See the full Hawaii oversize guide for legal dimensions, travel hours and holiday limits. New to the terms? The glossary covers pilot car and height pole.
Sources
- https://hidot.hawaii.gov/highways/home/doing-business/guide-to-permits/oversized-and-overweight-vehicles-on-state-highways/
- https://hidot.hawaii.gov/administration/files/2025/07/HAR19-104_remediated.pdf
- https://www.law.cornell.edu/regulations/hawaii/Haw-Code-R-SS-19-104-15
- https://law.justia.com/codes/hawaii/title-17/chapter-291/section-291-34/
- https://data.capitol.hawaii.gov/hrscurrent/Vol05_Ch0261-0319/HRS0291/HRS_0291-0035.htm
Hawaii Pilot Car FAQs
- How wide can a load be in Hawaii before it needs a pilot car?
- Hawaii requires the first pilot car at 12 ft 0 in wide. Loads up to the 8 ft 6 in legal width travel without a width escort.
- When does Hawaii require a height pole car?
- Hawaii does not publish a single height at which a pole car is required in the sources we reviewed. Confirm it with Hawaii DOT Highways Division (island district permit offices); permit conditions often set it per route.
- Do I need Hawaii pilot car certification?
- Escort driver certification and reciprocity rules differ by state and change often. The permit conditions from Hawaii DOT Highways Division (island district permit offices) state who may escort a load, so confirm certification and insurance requirements there before you book an escort.
- Where do the pilot car numbers on this page come from?
- They are taken from Hawaii's published permit rules and statutes, reviewed in October 2026, with the source links listed on this page. Where a figure could not be confirmed it is marked as not confirmed rather than estimated.
Summary of first pilot car at 12 ft 0 in wide, reviewed October 2026. Regulations change and this is not legal advice; the conditions printed on your permit control.