#HDOT
Overnight paving on Honoapi‘ilani Highway to close one lane in Olowalu
The Hawai‘i Department of Transportation is notifying motorists that one lane on Honoapi‘ilani Highway (Route 30) will be closed at mile marker 14 for paving and striping of a section of the roadway damaged from Hurricane Lowell.
First large-scale hybrid reef deployment launched at Kalaeloa to combat erosion and rising seas
The Hawaiʻi Department of Transportation, in collaboration with DARPA and the University of Hawaiʻi, has launched the Kalaeloa Hybrid Reef Project, a first-of-its-kind nature-based engineering initiative that integrates engineered structures with living coral to protect coastal highways from erosion and rising seas.
HDOT reminds public not to post campaign signs along state highways
The Hawaiʻi Department of Transportation reminds everyone that installation of signs visible from state highways that do not fall under the exempted categories defined in Hawaiʻi Revised Statutes Chapter 264, Part V is unlawful. This includes, but is not limited to, posting of political campaign signs on overpasses, fencing, signposts and poles, as well as anywhere visible from the state highways.
Gov. Green signs legislation to establish a clean fuel standard, safeguards for e-bikes
Gov. Josh Green today signed SB 2999, Act 258 and HB 2021, Act 259 into law. The signing of these bills strengthens the administration’s efforts to build a clean energy economy and ensure that Hawai‘i’s laws keep pace with new technologies.
Update: HDOT to conduct runway improvements at Moloka‘i Airport
The Hawai‘i Department of Transportation will temporarily close Runway 5-23 at the Moloka‘i Airport (MKK) nightly from 8:30 p.m. to 5 a.m., July 20-23. The runway will reopen July 24 at 5 a.m. During these closures, the airport will be closed to air traffic.
Maui’s Kahului Airport demonstrates progress toward 2045 net zero emissions target
The Hawai‘i Department of Transportation announced that its five largest airports have reached Level 3 under the Airport Carbon Accreditation Program. This milestone reinforces the department’s commitment to sustainability in aviation across the state.
HDOT starting preliminary environmental studies for Lahaina Bypass Phase 1C
The state Department of Transportation has started preliminary environmental studies for a northern portion of the Lahaina Bypass. The proposed Lahaina Bypass Phase 1C spans approximately 3 miles from Keawe Street to Kakaʻalaneo Drive.
Lane closures on Puʻunēnē Avenue for striping work, May 26-29
One lane of Puʻunēnē will be closed between Wākea Avenue and Kūihelani Highway from Tuesday, May 26 to Friday, May 29 from 8:30 a.m. to 3 p.m. for striping work.
Nighttime traffic signal work in Kahului to repair kona low damage
The Hawaiʻi Department of Transportation notifies highway users that the traffic signal at Kamehameha Avenue and Puʻunēnē Avenue (Route 3500) will either function in flash mode or be dark from 12 a.m. to 6 a.m. on Saturday, April 18.
Pavement marking and striping work to close one lane on Waiehu Beach Road
One lane on Waiehu Beach Road (Route 3400) may be closed beginning next week for pavement marking and striping work.
Hawaiʻi airports remain open and operational
The Hawaiʻi Department of Transportation is aware of national news stories reporting that small airports nationwide may close or pause operations due to the partial shutdown of the Department of Homeland Security and funding of the Transportation Security Administration. HDOT is reassuring the public that all Hawai‘i airports are being staffed and will remain open and operational.
State Highways recovery efforts following the kona low pressure storm
On Maui and Moloka‘i crews are continuing to clear debris and mud from roads; clearing drains and culverts; filling potholes; inspecting roadways; inspecting bridges and culverts; inspecting rock embankments; checking outlet structures and embankments; identifying damaged guardrails; clearing debris from Ukumehame Stream Bridge; removing hazardous trees; troubleshooting traffic signals.
Lānaʻi and Molokaʻi public meeting seeks input on future transportation needs
The Hawaiʻi Department of Transportation invites everyone to share their thoughts on future land transportation needs for freight, motorists, transit, bicyclists and pedestrians as part of the Statewide Long-Range Land Transportation Plan update.
Kahului Airport’s main runway built during World War II prioritized for first reconstruction project
“After 80 years of fixing and milling and filling … the cracks, it’s added useful life. But, we’re at the end of it’s useful life,” said Curt Otaguro, the Hawaiʻi Department of Transportation’s deputy director for airports. “It’s done.”
Single lane closures on Kula Highway and Kekaulike Avenue next week
The Hawaiʻi Department of Transportation is notifying highway users of alternating single lane closures on Kula Highway and Kekaulike Avenue next week.
Shoulder along Piʻilani Highway to be closed for new intersection work starting Jan. 12
The Hawaiʻi Department of Transportation is advising highway users that the mauka shoulder along Piʻilani Highway across East Waipuʻilani Road will be closed 24/7 beginning Monday, Jan. 12.
HDOT launches Priority Multimodal Network; learn more at Nov. 13 meeting
The Hawaiʻi Department of Transportation has announced the launch of its Priority Multimodal Network, a statewide initiative identifying 113 projects designed to improve pedestrian, bicycle and transit access across the state highway system.
HDOT to host final meeting on Hāna Highway historic bridge improvements, Nov. 18
The Hawaiʻi Department of Transportation, in partnership with the Federal Highway Administration Central Federal Lands Highway Division, will hold a public meeting on Tuesday, Nov. 18, 2025, to discuss planned improvements to six historic bridges along Hāna Highway (Route 360) between Huelo and Hāna town in East Maui.
Emergency repairs on Kamehameha V Highway on Moloka‘i completed
The Hawai‘i Department of Transportation completed emergency road repairs on Kamehameha V Highway (Route 450) on Moloka‘i and is reopening the eastbound lane at mile post 18.7 near Waialua Stream on Tuesday, Oct. 7.
Discovery of coconut rhinoceros beetles in West Hawaiʻi initiates multiagency response
Extensive fumigation and removal of suspected breeding areas of the beetle were conducted to stop the spread of the beetle was found in July at Keāhole Agricultural Park.