I-405 Improvement Project construction alert: As of Friday, March 3, 2023

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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.

To view and print a detailed list of closures and detours CLICK HERE!

NEW! Eastbound (EB) Warner Avenue Closure for Electrical Work

Eastbound (EB) Warner Avenue will close between Magnolia Street and the SB I-405 on-ramp from Warner for electrical work.

The EB Warner closure is anticipated as early as 10 p.m. Sunday, March 5, to 5 a.m. Monday, March 6.

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

NEW! Slater Avenue Full Bridge Closure for Bridge Work

The Slater Avenue bridge will close nightly between Dolphin Street and Starfish Avenue to repair joint seal assemblies.

The nightly bridge closures are anticipated as early as 10 p.m. to 5 a.m. Wednesday, March 8, to Friday, March 10.

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

RESCHEDULED! Northbound (NB) Euclid Street Closures

Northbound (NB) Euclid Street will close nightly between the southbound I-405 on-ramp from Euclid/Ellis to the I-405 bridge.

The NB Euclid nightly closures are anticipated as early as 10 p.m. to 5 a.m. Monday, March 6, to Friday, March 10.

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

UPDATE! Northbound (NB) I-405 Closure to Adjust Falsework for the Newland Street Bridge

Northbound (NB) I-405 will close between the NB I-405 off-ramp to Magnolia Street and the NB I-405 on-ramp from Beach Boulevard.

The NB I-405 closure is anticipated as early as 11 p.m. Monday, March 6, to 5 a.m. Tuesday, March 7.

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

UPDATE! Southbound (SB) I-405 Closure to Adjust Newland Street Bridge Falsework

Southbound (SB) I-405 will close between the SB I-405 off-ramp to Beach Boulevard/Center Avenue and the SB I-405 on-ramp from Magnolia Street to adjust falsework for the Newland bridge.

The SB I-405 closure is anticipated as early as 11 p.m. Tuesday, March 7, to 5 a.m. Wednesday, March 8.

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

UPDATE! Southbound (SB) I-405 Closures to Remove Falsework from the SR-73/I-405 Express Lanes Connector

Southbound (SB) I-405 will close nightly between the SB I-405 off-ramp to Fairview Road and the SB I-405 on-ramp from Bristol Street to remove falsework from the SR-73/I-405 Express Lanes Connector.

The nightly SB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Monday, March 6, to Thursday, March 9, and 11 p.m. Friday, March 10, to 6 a.m. Saturday, March 11, if needed.

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

UPDATE! Northbound (NB) I-405 Closure to Remove Falsework from the SR-73/I-405 Express Lanes Connector

Northbound (NB) I-405 will close between the NB I-405 off-ramp to South Coast Drive and the NB I-405 on-ramp from Fairview Road to remove falsework from the SR-73/I-405 Express Lanes Connector.

The NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Tuesday, March 7, and Thursday, March 9, if needed.

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

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 will continue construction activities as part of the drainage channel widening.

Activities include:

  • Soil backfill, concrete paving, and installing rock and stone along the channel;
  • Final paving of the SB I-405/WB SR-22 connector; and
  • Sound wall reconstruction.

Soil backfill, concrete paving, and rock/stone installation is anticipated to begin in mid-2023.

Final paving of the SB I-405/WB SR-22 connector is anticipated for early-to-mid 2023.

Sound wall reconstruction is also anticipated for early-to-mid 2023.

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.

Almond Avenue

NEW! Crews will begin K-rail removal and curb restoration along Almond Avenue.

Activities are anticipated to begin in the coming week and will be scheduled 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 have begun reconstructing the sidewalk on the northwest corner of Westminster Boulevard/Springdale Street. Activities include curb and gutter installation and utility relocation.

Pedestrian access will be closed at the crosswalk of the northwest corner during construction and a detour will be in place.

Construction activities began Wednesday, Feb. 8, and are expected to continue from 7 a.m. to 4 p.m. on weekdays and Saturdays, as needed, for approximately one more month.

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

NEW! Crews will conduct electrical work on Bolsa Avenue at Chestnut Street. This work will require lane reductions at the intersection.

The activity is anticipated as early as 9 a.m. to 3:30 p.m. Monday, March 6.

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.

McFadden Avenue

NEW! Crews will continue paving McFadden Avenue between Huntington Village Lane and Gothard Street. This work will require McFadden to be reduced to one lane intermittently between Huntington Village and Gothard.

The activity is anticipated to continue as early as 9 a.m. to 4 p.m. Monday, March 6, to Friday, March 10.

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.

UPDATE! Crews have begun reconstructing the cul-de-sac median on Sugar Drive/McFadden Avenue at Cedarwood Avenue.

Remaining activities include placing mulch.

Activities are expected to continue the week of March 6, 7 a.m. to 4 p.m. on weekdays and Saturdays, as needed.

Crews may place cones, and flaggers may be on-site to ensure safe access around the work zone.

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.

Beach Boulevard

REMINDER! Crews are installing the permanent traffic signals at the Beach Boulevard and Edinger Avenue intersection. Activities include electrical work, installing traffic signal poles, as well as restoring the roadway.

Construction activities are anticipated to continue 7 a.m. to 4 p.m. on weekdays, through early to mid-March.

This work will require extended outside lane closures on eastbound Edinger at Beach as well as on northbound Beach at Edinger. The closures will be in place for the duration of the work.

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.

Fairview Road

REMINDER! Crews are grading and will begin irrigation and landscaping activities adjacent to northbound (NB) Fairview Road. This work requires intermittent daytime lane reductions on NB Fairview between McCormack Lane and the southbound (SB) I-405 on-ramp.

Activities are expected to continue through mid-March 7 a.m. to 4 p.m. on weekdays and Saturdays, as needed.

Lane reductions are anticipated 9 a.m. to 4 p.m.

REMINDER! Crews have begun landscaping the center medians near the Fairview Road bridge. This work may require NB daytime lane reductions.

The intermittent lane reductions are ongoing 8:30 a.m. to 3:30 p.m. for approximately one more month.

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.