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In May, contractors will be demolishing and reconstructing the Lane Channel along southbound SR-55 between MacArthur Boulevard and Dyer Road. In preparation for this work, crews are currently excavating a strip of roadway adjacent to the Lane Channel and will also be placing piles for shoring.

Roadway Excavation: Nighttime roadway excavation activities will require closing the outside lanes on southbound (SB) SR-55 between MacArthur Boulevard and Dyer Road, as well as the SB Dyer Road on-ramp and SB MacArthur Boulevard off-ramp. Closures are from 10 p.m. to 5 a.m., nightly, through Friday, April 7.

Shoring: Beginning the week of April 10, contractors are expected to place shoring beams along the west side of the Lane Channel. Crews will use a vibratory hammer to drive piles into the ground. Shoring refers to the process of supporting a structure during construction. This work will take approximately one month to complete and occur during weekdays from 7 a.m. to 5 p.m.

For more information, visit the interactive Closures and Detours Map.

This work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

Left: Roadway that will be excavated. 

Right: Lane Channel that will demolished and reconstructed.

Vibratory hammer that will be used to drive piles into the ground.

OCTA, in cooperation with Caltrans, is improving 4 miles of SR-55 between I-405 and I-5. The project will improve traffic flow and reduce travel time by adding one regular lane and one carpool lane in each direction. Also, the project will add merge lanes between several interchanges and stripe carpool lanes for continuous access, augmenting safety on the freeway by making merging easier. These enhancements are expected to create a better, smoother driving experience for motorists.