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Crews are reconstructing the northbound SR-55 McFadden Avenue on-ramp, which requires an extended closure of the ramp. The on-ramp is expected to reopen to motorists by 5 a.m., Saturday, April 18 to allow crews to finish striping work.

WHAT:

Crews are expected to reconstruct the northbound (NB) SR-55 Dyer Road straight on-ramp, which will require an extended closure of the ramp. During this period, crews are also expected to perform an extended closure of the NB SR-55 outside lane between Dyer Road and Warner Avenue for paving work.

WHEN:

The on-ramp is expected to close as soon as 9 p.m., Tuesday, April 21 and reopen to motorists by 5 a.m., Friday, May 1. The outside lane is expected to close as soon as 9 p.m., Friday, April 24 and reopen by 5 a.m., Monday, April 27.

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

Falsework removal 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.

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.