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WHAT:

Contractors are expected to resume the installation of temporary shoring at the southern end of the Lane Channel, north of MacArthur Boulevard. Businesses adjacent to this work may be impacted by noise and vibration.

WHEN: 

Shoring activity is anticipated for 6 a.m. to 5 p.m. beginning as early as Wednesday, July 3, and continuing intermittently through mid-July.

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

Crews are planning to reconstruct the northbound MacArthur Boulevard

off-ramp to accommodate the freeway improvements. This work requires a 10-day consecutive closure of the off-ramp. Additional information will be provided in future communications.

In observance of Independence Day, there will be no closures scheduled Wednesday, July 3 through Monday, July 8.

Bookmark the closures and detours map for quick access to real-time construction information. Click on the construction icons to view activities and closures.

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.