Onramp and Offramp closures for H-1 Paiwa interchange weeks of May 11 and May 18

HONOLULU – The Hawaii Department of Transportation (HDOT) notifies Oahu motorists of onramp and offramp closures scheduled at the H-1 Freeway Paiwa Interchange on weeknights beginning Monday night, May 11, 2020, through Thursday morning, May 21, 2020, from 8 p.m. to 4 a.m., for repaving work.


During closure hours, motorists are advised to use alternate routes as the ramps will be completely closed. Roadwork details are as follows.


Monday night, May 11, through Friday morning, May 15

  • The Waikele/Waipahu offramp (Exit 7) will be closed from the westbound H-1 Freeway on Monday night and Wednesday night through Friday morning, from 8 p.m. to 4 a.m. Motorists are advised to take the Waipahu offramp (Exit 8B) as an alternate route.

  • The onramp from Paiwa Street in the northbound direction to the eastbound H-1 Freeway will be closed on Tuesday night through Friday morning, from 8 p.m. to 4 a.m. Motorists are advised to travel east on Farrington Highway and enter the eastbound H-1 Freeway near the H-1/H-2 Split.

Monday night, May 18, through Thursday morning, May 21

  • 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 are advised to take the Kunia/Waipahu/Ewa offramp (Exit 5) as an alternate route.

  • The onramp from Paiwa Street in the southbound direction to the westbound H-1 Freeway will be closed on Tuesday night, through Thursday morning, from 8 p.m. to 4 a.m. Motorists are advised to continue west on Farrington Highway and enter the westbound H-1 Freeway by the Makakilo Drive onramp.

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 notify motorists of the closures and detours. Special Duty Police Officers will be on-site to assist with traffic control and safety procedures. Emergency vehicles and first responders have been notified and will not be allowed through the work zone.


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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