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For more information about this project, please contact the 405 Community Outreach Team at [email protected] or 888-400-8994, or visit octa.net/405improvement.
Si prefiere recibir información en español, por favor llame este numero 888-400-8994.
Nếu quý vị muốn nhận được thông tin này bằng tiếng Việt, xin vui lòng liên lạc với cô Lý Gia 888-662-6569.
To view and print a detailed list of closures and detours CLICK HERE!
Click to see closures and detours on the interactive map.
NOW OPEN! Southbound (SB) I-405 / Eastbound (EB) SR-22 Connector
The Southbound (SB) I-405 / Eastbound (EB) SR-22 Connector is now open!
NOW OPEN! New Portion of Westminster Boulevard Bridge Now Open
The new portion of the Westminster Boulevard bridge is now open.There are currently two vehicular lanes open in each direction and a sidewalk open on the westbound side of the bridge.
The next phase of work includes constructing new traffic signals for the Westminster/Springdale Street and the Westminster/Willow Lane intersections.
Traffic signal installation, center median work, striping new bike lanes and conducting drainage and pavement work will continue in the coming months.
The I-405 Improvement Project is excited to deliver an improved bridge to your community!
REMINDER! Northbound (NB) I-405 off-ramp to Willow Lane Permanently Closed
The Northbound (NB) I-405 off-ramp to Willow Lane is permanently closed
UPDATE! Southbound (SB) I-405 Closure for the New I-405/SR-73 Express Lanes Connector
Crews will continue to construct the new I-405/SR-73 Express Lanes Connector.
This work will require a SB I-405 closure between the SB I-405 off-ramp to Fairview Road and the SB I-405 on-ramp from Bristol Street.
The SB I-405 closure is anticipated as early as 11 p.m. Thursday, Sept. 1, to 5 a.m. Friday, Sept. 2.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
COMING SOON! Northbound (NB) I-405 Loop On-Ramp from Harbor Boulevard to Close for Approximately One Month
Crews will close the NB I-405 loop on-ramp from Harbor Boulevard for approximately one month as part of project improvements.
The ramp closure is anticipated for mid-September, and is anticipated to open after approximately one month.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
COMING SOON! Southbound (SB) I-405 Off-Ramp to Seal Beach Boulevard to Close for Approximately One Month
Crews will close the SB I-405 off-ramp to Seal Beach Boulevard for approximately one month as part of project improvements.
The ramp closure is anticipated for late summer 2022.
OPENING SOON! Southbound (SB) I-405 Warner Avenue On- and Off-Ramps Are Anticipated to Open Soon
Crews closed the SB I-405 straight on-ramp from Warner and the SB I-405 loop off-ramp to Warner as part of project improvements.
The ramps closed Thursday, July 14, and are anticipated to open next week!
This work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Este trabajo puede ser ruidoso. El horario está sujeto a cambios debido a las inclemencias del tiempo o problemas operativos imprevistos.
Xin lưu ý là công việc này có thể gây nên những tiếng động ồn ào. Lịch trình có thể thay đổi vì thời tiết xấu hoặc những yếu tố công tác không thể dự đoán.
Construction Activities
Montecito Channel
REMINDER! Crews are relocating several utilities to continue widening the drainage channel adjacent to homes in the College Park West community.
Utility line relocation is ongoing, 7 a.m. to 4 p.m. on weekdays.
Block wall installation is anticipated to begin in fall 2022.
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. to 6 a.m. as needed.
Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
North Gate Road
REMINDER! Crews closed North Gate Road to conduct sewer work.
Vehicles, bicyclists and pedestrians will be detoured to Golden Rain Road to enter and exit Leisure World.
The closure began Tuesday, July 5, and is anticipated to open in September.
Sewer work is anticipated 7 a.m. to 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. to 6 a.m. as needed.
Block wall installation for the sound walls is anticipated to begin fall 2022.
Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Almond Avenue
UPDATE! Crews will continue constructing the sound walls along northbound (NB) I-405, adjacent to Almond Avenue.
Block wall installation began this month and is anticipated to be complete after approximately six weeks.
Construction activities will continue 7 a.m. to 4 p.m. on weekdays.
Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.
Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Springdale Street
REMINDER! Crews will continue constructing the new traffic signal at the Westminster Boulevard/Springdale Street intersection as part of the bridges’ reconstruction.
Activities include permanent pole foundation work, as well as electrical work. After the temporary signal is complete, crews will begin construction of the permanent traffic signal.
Construction of the permanent signal is ongoing, 7 a.m. to 4 p.m. on weekdays and Saturdays, through August 2022.
This work will also include intermittent nighttime lane reductions on Springdale and Westminster.
Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.
Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Bolsa Avenue
UPDATE! Crews will continue constructing the wall along SB I-405, adjacent to Vermont Street.
Activities will continue 7 a.m. to 4 p.m., on weekdays, through at least Friday, Sept. 9.
Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.
Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
The duration of this work may change depending on site conditions. Please be advised that this work may be loud. Dates and times are subject to change due to unforeseen operational factors or inclement weather.
