Department of Transportation

HONOLULU – The Hawaii Department of Transportation (HDOT) notifies Oahu motorists of onramp and offramp closures scheduled at the H-1 Freeway Paiwa Interchange and the Waipahu/Pearl City offramp (Exit 8A) during the weeks of July 26, 2020, through Aug. 9, 2020, from 8 p.m. to 4 a.m., to install permanent roadway striping.

During closure hours, motorists are advised to use alternate routes as traffic will not be allowed through. The roadwork schedule is as follows.

Sunday night, July 26, through Friday morning, July 31 

• The Waikele/Waipahu offramp (Exit 7) will be closed from the westbound H-1 Freeway on Sunday night through Friday morning, from 8 p.m. to 4 a.m. Motorists will be detoured to the northbound Kunia offramp (Exit 5B). Click here for the detour map.
• The northbound Paiwa Street onramp to the eastbound H-1 Freeway will be closed on Wednesday night through Friday morning, from 8 p.m. to 4 a.m. Motorists will be detoured to continue northbound on Paiwa Street, turn right onto Lumiaina Street, right onto Kamehameha Highway where they may access the eastbound H-1 Freeway onramp. In case of bad weather conditions, roadwork is allowed to happen on Sunday, Aug. 2, through Tuesday, Aug. 4. Click here for the detour map.

Sunday night, Aug. 2, through Friday morning, Aug. 7

• The Waikele/Waipahu offramp (Exit 7) will be closed from the eastbound H-1 Freeway on Monday night through Wednesday morning, from 8 p.m. to 4 a.m. Motorists will be detoured to the Waipahu/Pearl City offramp (Exit 8A). Click here for the detour map.
• The southbound Paiwa Street onramp to the westbound H-1 Freeway will be closed on Monday night through Friday morning, from 8 p.m. to 4 a.m. Motorists will be detoured to continue south on Paiwa Street, turn right onto Farrington Highway, turn right onto Fort Weaver Road and enter the westbound H-1 Freeway by the Kunia Interchange. Click here for the detour map.
• The Waipahu/Pearl City offramp (Exit 8A) from the eastbound H-1 Freeway will be closed on Wednesday night through Friday morning, from 8 p.m. to 4 a.m. Motorists will be detoured to continue east on the H-1 Freeway and take the Waimalu/Pearlridge offramp (Exit 10) as an alternate route. In case of bad weather, work is allowed to happen on Sunday, Aug. 9, through Tuesday, Aug. 11. Click here for the detour map.

HDOT advises motorists to plan ahead and allow for extra travel time to get to their destinations. Electronic message boards will be in place to provide motorists with advance notice of closures and detours. Special Duty Police Officers will be on-site to assist with traffic control and safety procedures.

To view weekly lane closure updates, please visit our roadwork page on our HDOT website at https://hidot.hawaii.gov/highways/roadwork/.

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