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WHAT:

Crews are expected to reconstruct the southbound SR-55 McFadden Avenue off-ramp, which will require an extended closure of the ramp.

WHEN:

The off-ramp is expected to close as soon as 9 p.m., Tuesday, May 26 and reopen to motorists by 9 p.m., Friday, June 5.

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

Reconstruction is moving forward at the railroad bridge as crews aim to complete the bridge before the end of this year. Contractors are constructing the bridge deck and are expected to remove falsework, or temporary support structures, this weekend.

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.