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WHAT:

Crews are expected to perform pavement grinding along the outside shoulder on northbound (NB) SR-55 between I-405 and I-5, which will require closing the three outside lanes on NB SR-55.



WHEN:

9 p.m. to 5 a.m. nightly, Monday, Oct. 12 through Friday, Oct. 16 (into Saturday morning).

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

WHAT:

Crews are expected to reconstruct the southbound (SB) SR-55 Dyer Road loop off-ramp, which will require an extended closure of the ramp as well as the inside lane on the SB Dyer Road on-ramp.



WHEN:

The off-ramp and inside lane are expected to close as soon as 9 p.m., Tuesday, Oct. 13 and reopen to motorists by 9 p.m., Friday, Oct. 23.

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

WHAT:

Crews are preparing to begin work to reconstruct the center median of SR-55 between I-405 and I-5, for the addition of a new carpool (HOV) lane. This will require nighttime closures to restripe northbound (NB) SR-55 and shift traffic towards the newly paved outside lanes of the freeway.

As part of the traffic shift, the NB McFadden Avenue on-ramp will be permanently restriped to eliminate weaving and merging conflicts on NB SR-55. Once the new configuration is in place, the McFadden on-ramp will provide access to NB I-5 only.

WHEN:

Crews are expected to begin restriping the freeway and setting concrete barriers for the traffic shift as early as late October.

Be sure to follow @55FWYProject on Instagram, X, and Facebook to stay informed on the latest updates regarding this work!

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.