405 Freeway Improvement 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: North Gate Road Update
Pile installation for the sound wall adjacent to North Gate Road is anticipated to be complete by the end of the week. Crews closed North Gate Road July 5 for approximately three months to conduct sewer work.
Vehicles, bicyclists and pedestrians will be detoured to Golden Rain Road to enter and exit Leisure World.
Sewer work is anticipated between 7 a.m.-4 p.m. on weekdays, for approximately three months. Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m.-6 a.m. as needed.
Be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Almond Avenue
Crews wrapped up electrical work and will continue constructing the sound walls along northbound I-405 adjacent to Almond Avenue.
Block installation has been delayed due to material supply challenges.
Crews are anticipated to continue wall work in July, and block wall installation is anticipated to begin as early as August.
Construction activities will continue 7 a.m.-4 p.m. on weekdays.
Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m.-6 a.m. as needed.
Be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Bolsa Avenue
Crews began block wall installation for the walls along SB I-405, adjacent to Vermont Street.
Activities will continue 7 a.m.-4 p.m. on weekdays for approximately two weeks.
Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m.-6 a.m. as needed.
Be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
New Features for Beach Boulevard The northbound I-405 straight off-ramp to Beach Boulevard has a new traffic signal. The ramp is updated with five lanes, including two dedicated right-turn and two dedicated left-turn lanes, as well as a shared lane for both right and left-turn movements.
As part of the final design for the intersection, the NB I-405 loop off-ramp has been permanently eliminated.
Work is expected to conclude May 13.
NB I-405/WB SR-22 On-Ramp from Valley View Street Closed for Two Months Crews closed the northbound I-405/westbound SR-22 on-ramp from Valley View Street to accommodate the freeway widening. The ramp closed June 6 and is anticipated to reopen in August.
SB I-405/EB SR-22 Connector Extended Lane Reduction Crews reduced the southbound I-405/eastbound SR-22 connector to two lanes for pavement activity.
The lane reductions began June 10 and will be in place through August.
Montecito Channel
Crews will begin relocating several utilities to continue widening the drainage channel adjacent to homes in the College Park West community. Utility relocation was expected to begin July 25 and continue through mid-August.
Block wall installation is anticipated to begin in August.
Temporary fencing and sound blankets will remain in place during construction.
Construction activities are anticipated 7 a.m.-4 p.m. Crews may access the work zone, intermittently along College Park Drive and from the WB SR-22 connector, to mobilize equipment as early as 6 a.m., and some activities may occur at night from 9 p.m. -6 a.m. as needed Be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues. The 405 Community Outreach Team will provide detailed schedule, closure and detour information in future alerts.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup. Email 405project@octa.net or call (888) 400-8994 for more information.
