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WHAT:

Crews are underway reconstructing the northbound (NB) SR-55 Dyer Road straight

on-ramp, which requires an extended closure of the ramp.

WHEN:

The straight on-ramp is expected to reopen to motorists by 9 p.m., tonight, Friday, May 1.

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

WHAT:

Crews are expected to perform a deck pour at the railroad bridge, which will require closing the northbound McFadden Avenue off-ramp, Edinger Avenue on-ramp, and two outside lanes on northbound SR-55 between these ramps.

WHEN:

As soon as 9 p.m., Monday, May 4 to 5 a.m., Tuesday, May 5.

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

WHAT:

Crews are expected to perform concrete paving work along the southbound SR-55 McFadden Avenue on-ramp, which will require a 30-day closure of the ramp.

WHEN:

The on-ramp is expected to close as soon as 9 p.m., Wednesday, May 6 and reopen to motorists by 5 a.m., Friday, June 5.

Visit www.octa.net/55Construction to view updates regarding construction activities and closures. 

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

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.