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Crews are in the process of reconstructing the southbound SR-55 MacArthur Boulevard loop on-ramp, which requires an extended closure of the ramp. The on-ramp is expected to reopen to motorists by 5 a.m., Friday, Aug. 29.

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

Crews are expected to reconstruct the southbound SR-55 Edinger Avenue

off-ramp, which will require an extended closure of the ramp. Additional information will be provided in future communications.

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

On Saturday, Aug. 23, join the City of Irvine at William Woollett Jr. Aquatics Center for a fun-filled evening in the pool and a screening of Shrek. Lifeguards will be on duty. Pool opens at 6:30 p.m. and Shrek starts at 7:15 p.m.

For more information, email aquatics@cityofirvine.org or call 949-724-6717. 

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.