405 Freeway Improvement Project Update

The Orange County Transportation Authority, in cooperation with Caltrans, is widening the San Diego Freeway (I-405) between SR-73 and I-605.The project is improving 16 miles of I-405 between the SR-73 freeway in Costa Mesa and I-605 near the Los Angeles County line. Construction updates are as follows: NB 405 Closure

Crews will continue construction activities on the northbound I-405, closing at Euclid Street and Talbert Avenue to install traffic detectors.

The closure is anticipated as early as 11 p.m. today, July 27, and extending to 5 a.m. Friday, July 28.

Edinger Avenue Bridge

The Edinger Avenue bridge over I-405 will close nightly for grinding and final paving.

The closures are anticipated as early as the week of July 31.

Westminster Boulevard/ Willow Lane Intersection Closures for Drainage Work The Westminster Boulevard/ Willow Lane intersection will continue to close nightly for drainage work.

Nightly intersection closures are expected to continue through August on weeknights.

Additional nighttime intermittent lane reductions are expected to continue through July.

405 Express Lanes Crews are conducting utility work and installing equipment for the new 405 Express Lanes. This work requires intermittent nighttime lane reductions on northbound and southbound I-405.

Ongoing lane reductions are anticipated as early as 10 p.m. to 4 a.m. on weeknights and weekends, as needed.

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

Montecito Channel

Crews began mobilizing equipment for a waterline relocation and began sound wall reconstruction. Equipment mobilization and waterline relocation is anticipated to continue through July. Sound wall reconstruction is anticipated to continue through August.

Construction work is ongoing between 7 a.m. and 4 p.m. weekdays and Saturdays, as needed. Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m.-6 a.m. as needed.

Crews may access the work zone intermittently along College Park Drive and from the WB SR-22 connector to mobilize equipment.

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

Sign up for projectwide and bridge-specific construction alerts at bit.ly/405-signup.