Starting Monday, rail construction and road reconstruction will close lanes on the H-1 freeway and Kamehameha Highway between Waipahu and Kalihi.

Rail construction will close the eastbound left turn lane from Kamehameha Highway near the Acacia Road intersection starting Monday night and continuing around-the-clock until mid-2015.

Two lanes on Kamehameha Higway in both directions in several areas are also closed for rail work. Ewa-bound lanes will be closed from 8 p.m. until 7 a.m. Town-bound lanes are closed between 7 p.m. and 5:30 a.m.

Lane are closed nightly between Puu Poni Street to Kaonohi Street, where ewa-bound motorists will be contraflowed to the town-bound side of the highway on weeknights between 8 p.m. and 7 a.m.

Two ewa-bound lanes and two town-bound lanes are also closed in Aiea between Pali Momi Street and Honomanu Street and near Aloha Stadium.

Ewa-bound lanes are also closed on Kamehameha Highway near Leeward Community College between 7 p.m. and 6 a.m. and traffic will be contra-flowed on the town-bound lanes.

Also starting Tuesday, buses traveling ewa on Kamehameah Highway on Routes A, 40, 42, 53 and 62 will be detoured between 2 p.m. and 7 p.m. on weekdays because of the rail closures near the Acacia Road intersection. Shuttle busses will pick up passengers from Kamehameha Highway at Pali Momi, onto Farrington Highway into Waipahu, to Mokuola then along Waipahu Street to Kamehameha Highway through Waipio Gentry to provide service to the affected area from 2 p.m. until 7 p.m.

Westbound City Express Route A, Route 40 Makaha, Route 42 Ewa Beach and Route 62 Wahiawa will detour from Kamehameha/ Kaahumanu to Moanalua Road the the H-1 freeway to the Waipahu exit to Farrington Highway. The Route 53 Pacific Palisades bus will detour from Kamehameha Highway at Kaahumanu to Moanalua Road, Hoomalu Street, to Waimano Home Road.

Continuing rail work will also close lanes at the H-1/H-2 merge from 8 p.m. until 4 a.m.

Also on the H-1 freeway, three left lanes will be closed on the Ewa-bound H-1 freeway between the Houghtailing Street offramp; and the H-201 West/Fort Shafter/Aiea offramp between 10 p.m. and 5 a.m. nightly Monday through Wednesday morning for overhead sign maintenance.

Lanes will also be closed on the town-bound H-1 freeway between the Halawa Heights/Stadium offramp and the Airport offramp as crews replace overhead signs from Wednesday through Friday morning from 9 p.m. to 4 a.m.

Airport viaduct improvements will require as many as three lanes be closed between the Radford Drive overpass to the Airport offramp Monday night through Friday morning from 7 p.m. to 5 a.m. 

The onramp from Joint Base Pear Harbor/Hickam will also be closed. The shoulder lane will be opened for traffic during the lane closures and motorists are advised to consider Nimitz Highway as an alternate route.

In Mililani, Kamehameha Highway will continue to be closed each night in both directions between Ka Uka Boulevard and Lanikuhana Avenue through Friday morning from 8:30 p.m. to 4:30 a.m. for road reconstruction.