For more information about this project, please contact the 405 Community Outreach Team at 405project@octa.net 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.
Project Milestones
Check out the progress below that crews continue to make on the I-405 Improvement Project!
NOW OPEN! Heil Avenue
Pedestrian and Bicyclist Bridge
I-405 Improvement Project Marks Milestone with 11th Bridge Opening

Completion of the Heil Avenue bridge marks an important milestone, restoring a connection across the freeway that is vital to local schools, pedestrians and bicyclists in Huntington Beach and Westminster. Check out our video in celebration of the bridge opening!
CONSTRUCTION MILESTONE! I-405/ SR-73 Express Lanes Connector Concrete Pour
Crews poured concrete for the new I-405/SR-73 Express Lanes Connector in August. This is a major milestone in the connector's construction, and the I-405 Improvement Project Team is thrilled about its progress.

More than 1,300 cubic yards of concrete were poured over two weekends, and approximately 50 crew members were on site for each pour.

Additional concrete pours will be needed in the coming months.

The 405 Community Outreach Team will provide updates in future alerts.

The I-405 Improvement Project Team thanks the community for its patience during construction.
NOW OPEN! Southbound I-405 Warner Avenue On- and Off-Ramps Now Open to Traffic
We are thrilled to announce another project milestone! The SB I-405 Warner on- and off-ramps are NOW OPEN!
IN PROGRESS! Springdale Street Bridge Milestones
Crews are making progress on the Springdale Street bridge over I-405.

Activities through the end of the year include constructing the bridge's retaining walls and approaches. Falsework construction is anticipated to begin this fall, while rebar and concrete work for the bridge's superstructure is expected to begin in late 2022 or early 2023.

Stay tuned for more progress!
To view and print a detailed list of closures and detours CLICK HERE!
NEW! Northbound (NB) I-405 Closures for the New
I-405/SR-73 Express Lanes Connector
Click image to enlarge.
Crews will continue to construct the new I-405/SR-73 Express Lanes Connector.

This work will require nightly NB I-405 closures between the NB I-405 off-ramp to South Coast Drive and the NB I-405 on-ramp from Fairview.

The NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Tuesday, Sept. 6, through Thursday, Sept. 8, and 11 p.m. to 6 a.m. on Friday, Sept. 9.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
UPDATE! Southbound (SB) I-405 Closures for the New
I-405/SR-73 Express Lanes Connector
Click image to enlarge.
Crews will continue to construct the new I-405/SR-73 Express Lanes Connector.

This work will require nightly SB I-405 closures between the SB I-405 off-ramp to Fairview Road and the SB I-405 on-ramp from Bristol Street.

The SB I-405 closures are anticipated as early as 11 p.m. Wednesday, Sept. 7, to 5 a.m. Thursday, Sept. 8, and again 11 p.m. Thursday, Sept. 9, to 6 a.m. Saturday, Sept. 10.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
NEW! Southbound (SB) I-405 Closure for Ward Street Bridge Construction
Crews will continue to construct the Ward Street bridge deck.

This work will require a SB I-405 closure between the SB I-405 off-ramp to Brookhurst Street and the SB I-405 on-ramp from Euclid Street.

The SB I-405 closure is anticipated as early as 11 p.m. Thursday, Sept. 8, to 5 a.m. Friday, Sept. 9.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
NEW! Northbound (NB) I-405 Closure for Restriping
Crews will restripe lanes on the freeway near the Magnolia Street bridge.

This work will require a NB I-405 closure between the NB I-405 off-ramp to Magnolia Street/Warner Avenue and the NB I-405 loop on-ramp from Beach Boulevard.

The NB I-405 closure is anticipated as early as 11 p.m. Friday, Sept. 9, to 6 a.m. Saturday, Sept. 10.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
UPDATE! Northbound (NB) I-405 Loop On-Ramp from Harbor Boulevard to Close for Approximately Six Weeks
Click images to enlarge.
Crews will close the NB I-405 loop on-ramp from Harbor Boulevard for approximately six weeks as part of project improvements.

The ramp closure is anticipated as early as 10 p.m. Monday, Sept. 12, and is expected to open after approximately six weeks.

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 as early as Friday, Sept. 16.
COMING SOON! Daytime Ramp Closures for Warner Avenue bridge Concrete Pour
Crews will close the NB I-405 off-ramp to Warner and the SB I-405 off-ramp to Warner to pour concrete for the bridge.

The daytime closures are anticipated as early as 5 a.m. to 6 p.m. Tuesday, Sept. 13.
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.
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.
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 this fall.

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.
REMINDER! 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 completed 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.
REMINDER! Crews are wrapping up construction of 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. 16.

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.
REMINDER! The city of Fountain Valley is performing sewer replacement work along Magnolia Street at Warner Avenue, which requires lane reductions. The sewer project is anticipated to be completed in early September.
Now, more than ever, local businesses need your love and support! Orange County Transportation Authority (OCTA) is partnering with the cities of Fountain Valley, Westminster and Huntington Beach and their Chambers of Commerce for the 405 Forward program. We want to highlight businesses along the I-405 Improvement Project, and we need your help!
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