The eastbound H-1 freeway is scheduled for closure between the Campbell Industrial Park/Barbers Point Harbor offramp and the Wakea Street onramp starting 9 p.m. on Sunday, according to the state.

The closure will take place from 9 p.m. to 4:30 a.m. nightly through Thursday morning, and again from 9 p.m. to 11:59 p.m. on Thursday, Dec. 21.

A full closure of the H-1 freeway is necessary for crews to work on the Farrington Highway overpass as part of the Kapolei Interchange Complex, Phase 2 project.

Motorists traveling on the eastbound H-1 freeway will be directed to Kalaeloa Boulevard via the Campbell Industrial Park/Barbers Point Harbor offramp (Exit 1A) and may continue on Kapolei Parkway, Kamokila Boulevard and the Wakea Street onramp to return to the H-1 freeway.

Electronic message boards will be posted to warn motorists of the full closure.

Other scheduled lane closures include:

>> Right turning lane closure on the Makakilo/Kapolei/Kalaeloa offramp (Exit 2) from the H-1 freeway in the westbound direction from 8:30 a.m. to 3 p.m. Monday through Thursday.

>> Right lane closure on the westbound H-1 freeway between the Makakilo Drive overpass and Farrington Highway overpass from 8:30 a.m. to 3 p.m. Monday through Thursday.

The Hawaii Department of Transportation advises motorists to prepare for the closures by checking traffic apps, mapping the best route and adding extra travel time to their commutes. All roadwork is weather permitting.