The state Department of Transportation is advising Oahu motorists of the following lane closures:

• The three rightmost lanes of the H-1 Freeway Airport Viaduct will be closed in the westbound direction from the Airport on-ramp to the Kamehameha Highway/Aloha Stadium/Arizona Memorial off-ramp (Exit 15A) on Sunday from 6 a.m. to 10 p.m., for concrete pavement repair work. All on-and-off-ramps will remain open during this time.

• The westbound H-1 Freeway on-ramp from 11th Avenue will be closed on Sunday from 9 a.m. to 7 p.m., for retexturing of the concrete ramp surface.

• Three-lane closures on the H-1 Freeway in the westbound direction over the Waimalu Viaduct, between Kaonohi Street and Kaahumanu Street, for bridge expansion joint repairs at the following locations and times:

- Three leftmost lanes will be closed from 9 p.m. on Sunday night through 4 a.m. on Monday.

- Three rightmost lanes will be closed from 9 p.m. on Monday night through 4 a.m. on Tuesday.

• The H-1 Freeway in the westbound direction from the vicinity of the Waikele/Waipahu off-ramp (Exit 7) to the Military Access Road overpass from 10 p.m. to 4:30 a.m., nightly. Two leftmost lanes will be closed on Sunday night through Tuesday morning. Two rightmost lanes will be closed on Tuesday night through Friday morning.

During these hours, the westbound H-1 on-ramp from Paiwa Street will also be closed. Westbound motorists are advised to use the next available H-1 on-ramp at Kunia Road and surface streets such as Farrington Highway or Waipahu Street as alternate routes.