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WHAT:

Crews are expected to perform drainage work at the southbound SR-55 Dyer Road straight off-ramp, which will require an extended closure of the ramp. The southbound SR-55 Dyer Road loop off-ramp will remain open.

WHEN:

The off-ramp is expected to close as soon as 9 p.m., Tuesday, Jan. 27 and reopen to motorists by 5 a.m., Friday, Feb. 6.

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

The southbound SR-55 McFadden Avenue off-ramp reopened this morning following an extended closure to perform drainage work. We appreciate the public’s patience while contractors completed this work safely.

In mid-February, crews are expected to perform backfilling activities at the retaining wall adjacent to the northbound SR-55 McFadden Avenue off-ramp, which will require long-term intermittent closures during nighttime hours. More 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.

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.