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Week of Feb. 23, 2026

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Upcoming Street Closures

Dyer Road

WHAT:

Crews are expected to perform tree removal and clearing and grubbing activities, which will require closing westbound Dyer Road underneath the freeway.


WHEN:

Westbound Dyer Road will be closed from 9 p.m. to 5 a.m. nightly, Tuesday, Feb. 24 and Wednesday, Feb. 25.


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

Grand Avenue

WHAT:

Crews are expected to perform tree removal and clearing and grubbing activities, which will require closing northbound and southbound Grand Avenue.


WHEN:

Northbound and southbound Grand Avenue will be closed from 9 p.m. to 5 a.m. nightly, Thursday, Feb. 26 and Friday, Feb. 27. Business access will be maintained.


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

Edinger Avenue

WHAT:

Crews are expected to remove falsework at the Edinger Avenue bridge, which will require closing eastbound and westbound Edinger underneath the freeway.


WHEN:

From 9 p.m. to 5 a.m. nightly, Monday, Feb. 23 through Friday, Feb. 27.



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

*POSTPONED*

Railroad Bridge Girder Installation

The installation of precast girders along the east side of the SR-55 freeway bridge over the railroad has been postponed. Additional information, including a rescheduled date, will be provided in future communications.

Coming Soon! Extended Ramp Closure

Crews are expected to reconstruct the northbound SR-55 Dyer Road straight

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

Closures and Detours Map

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

About the Project

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.

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