Aloha from HDOT!

The Hawaii Department of Transportation is responsible to plan, design, construct, operate, and maintain State facilities in all modes of transportation, including air, water, and land. Coordination with other State, County, and Federal programs is maintained in order to achieve these objectives.


To provide a safe, efficient, accessible, and sustainable inter-modal transportation system that ensures the mobility of people and goods, and enhances and/or preserves economic prosperity and the quality of life.


HDOT Highways Project Status Map
View all state highways program data including current & future projects scheduled to begin in the next two years. Available data also includes Average Annual Daily Traffic counts and pavement conditions for state routes.

HDOT-Central Federal Lands Highways Division Partnership Projects
HDOT has partnered with the USDOT Central Federal Lands Highways Division (CFLHD) to deliver ten bridge and other highway improvement projects throughout the islands.
• Hilea Stream Bridge
• Ninole Stream Bridge
• Hanapepe River Bridge
• Bridge No. 7E
• Kapaa Stream Bridge & Mailihuna Int
• Wainiha Stream Bridges 1, 2, and 3
• Halona Street Bridge
• Hoolapa Stream Bridge (Nanahu)
• Kawela Stream Bridge
• Kipapa Stream Bridge (Roosevelt)
• Saddle Road East Side
• Saddle Road Extension
• Lahaina Bypass 1B-2
For additional details on each of these improvement projects click here.

H-1 Freeway Westbound Improvements
Work is underway to rebuild deteriorated parts of the H-1 viaducts in the Pearl City and Waimalu areas. Concrete sections are being demolished and fast-drying cement is poured overnight and on Sundays. Work will include widening of the H-1 westbound between the Pearl City and Waipahu exits to add an auxiliary lane, along with restriping from the Aiea Pedestrian Overpass to the Pearl City exit to add an additional westbound auxiliary lane. For a project hotline and anticipated Sunday closures, please visit

Community Presentations
DOT’s presentations from recent community meetings statewide are now available. Click on the link above to see what projects are planned in your area.

Hawaii’s Legal Presence Law
Legal presence requirements affect anyone applying for a Hawaii driver’s license, including U.S. citizens and foreign-born applicants, those applying for a learner’s permit, and permit holders passing their road test to obtain a driver’s license. Legal presence also applies to anyone who has just moved to Hawaii from another state or country, and anyone renewing their Hawaii driver’s license or permit.

What’s New


GoAkamai Traffic Info

GO Akamai, image of a traffic app on mobile phone

Want to check the traffic before you leave home or work? Use to see the current conditions on Oahu's freeways and highways. Now available for iOS and Android devices.

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Storm Water Management

protect our water, malama i ka wai

Our Storm Water Management Plan aims to mitigate degraded stormwater runoff quality that may be caused by industrial activities at our state airport, harbor and highway facilities. Click here to find out how.

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HDOT-CFLHD Partnership

HDOT-CFLHD Partnership Projects

HDOT has partnered with the USDOT Central Federal Lands Highways Division (CFLHD) to deliver ten bridge and other highway projects throughout the islands. Click here for more details.

Read More