County of Hawai`i - Traffic and Roadwork

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Reckless Driving

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Road Hazards

phone iconCall 935-3311 (Police)

Road Closure Requests

phone iconCall 961-2227 (Police Traffic Services)

State Highway & Roads Maintenance

phone iconCall 933-8878 (State Highways)

Out of order traffic light icon and text Did You Know?

Traffic signals and stop signs are considered emergency repairs. Please call 961-8341 between 7:00 a.m. - 3:30 p.m. After hours, please report to Police at 935-3311.


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  • If a street light is out or stays on all day, please let us know. Click to report
  • The taking or defacing of traffic signs is against the law. Offenders or violators will be prosecuted to the fullest extent possible according to the law. Click to report
  • To request markings or report markings that are faded or need attention, please fill out the online form. Click to report
View full list of issues to report

Road Alerts


TRAFFIC ALERT: Māmalahoa Hwy at Nāpo‘opo‘o Junction, Kona SAT. & SUN., Aug. 20 & 21, 2016

KONA, Aug. 17, 2016 - Work continues on the County of Hawai‘i’s highway intersection improvement project this weekend. One lane of Māmalahoa Highway will be closed to traffic from 8:30 a.m. to 5 p.m. on Saturday, August 20 and Sunday, August 21 to allow Hawaiian Telcom to relocate overhead cables to newly placed utility poles near the intersection of Māmalahoa Highway and Nāpo‘opo‘o Road in Kona.

Traffic control will be on site to assist with traffic flow and to assure the safety of motorists and pedestrians. Motorists are advised to expect delays and to drive with caution. Work is weather-permitting and is subject to change.  Hawaiian Telcom and The County of Hawai‘i Department of Public Works thanks the community for their patience and understanding.

If there are any questions or concerns please call Barett Otani, County of Hawai‘i Department of Public Works Information and Education Specialist, at (808) 961-8787.



Hōkūli‘a / Māmalahoa Bypass Road Update AUG. 5, 2016

 Pictures courtesy of Aaron Stene.

The  Hōkūli‘a / Māmalahoa Bypass Road is in process of paving and the installation of guard rails.  The Nāpo’opo’o Road/ Māmalahoa Highway Intersection is bustling with work.  Isemoto Contracting is pushing forward to complete the project.  The retaining wall has been completed and HELCO has relocated the utility poles and wires.  Hawaiian Telcom is in process of moving their utlity wires and  Oceanic Time Warner will follow.  Once the utilities are relocated, the last phase of work including paving, sidewalks, installation of traffic signals, striping and signage will commence.

The County of Hawai‘i Department of Public Works thanks the community for their patience and understanding.