Night work at the intersection of Haleakalā Highway and Hanā Highway for traffic signal work

KAHULUI, Hawai'i - The Hawai'i Department of Transportation (HDOT) notifies road users that there will be nighttime lane closures and a blackout of signals at the intersection of Haleakalā Highway (Route 37) and Hāna Highway (Route 36) next week.

The closures and blacked out signals will be from 8 p.m., Friday, Nov. 20 to 6 a.m., Saturday, Nov. 21, to allow crews to replace a mast arm at the intersection. See: https://hidot.hawaii.gov/wp-content/uploads/2026/11/Traffic-Flow-Design-.pdf.

All traffic signals at this intersection will be de-energized during this work. Please treat as a four-way stop. Traffic controllers will assist motorists.

Hāna Highway

Paia direction:

• The left-turn pocket will be closed.
• Two through lanes will remain open. Left turns can be accommodated from the left/inside through lane.
• The right-turn lane from Hāna Highway to Haleakalā Highway will remain open.

Kahului direction:

• Two through lanes will be closed.
• Through traffic will be rerouted into the left-turn lane pocket on the east side of the intersection. Left turns will be permitted.
• The right-turn pocket from Hāna Highway to Haleakalā Highway, airport bound, will remain open.
• One through lane will be closed on the west side of the intersection.

Haleakalā Highway

Airport direction:

• One left-turn lane will be closed.
• One through/left-turn lane will be open.
• The right-turn lane will remain open.

Upcountry direction

• The through lane will be closed.
• The left-turn pocket will accommodate through traffic and left turns.
• The right-turn lane will remain open.

Please follow all traffic controls and drive safely around the active work zone.

All work is weather permitting. For construction schedule updates or changes, see HDOT's social media pages on https://www.facebook.com/HawaiiDepartmentOfTransportation and on Twitter/X @DOTHawaii.

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