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!
UPDATE! Northbound (NB) and Southbound (SB) I-405 Closures to Continue TONIGHT
WHAT
Crews are installing falsework for the I-405/ SR-73 Connector over I-405.

This work requires a NB I-405 closure between the NB I-405 off-ramp to South Coast Drive and the NB I-405 on-ramp from Hyland Avenue and SB I-405 closures between Harbor Boulevard and Fairview Road.
WHERE
NB and SB I-405 in Costa Mesa
WHEN
Ongoing closures are anticipated as early as 11 p.m. to 5 a.m. Monday through Thursday, and 11 p.m. to 6 a.m. on Friday.

The NB I-405 closure is anticipated Tuesday, June 21, and the NB I-405/SR-73 connector will also be closed 11 p.m. to 7 a.m.

Nightly SB I-405 closures are anticipated:
  • TONIGHT, June 16;
  • Friday, June 17;
  • Monday, June 20; and again
  • Wednesday, June 22 to Friday, June 24.
NB Detours
I-405: NB I-405 off-ramp to South Coast Drive → South Coast/Hyland Avenue → NB I-405 on-ramp from Hyland 

SR-73 Connector: SR-73 off-ramp to Bear Street → South Coast/Hyland → NB I-405 on-ramp from Hyland
SB Detour
I-405: SB I-405/SB SR-73 Connector SB SR-73 off-ramp to Bear Right turn onto Bear Left turn onto Baker Street Left turn onto Bristol Street SB I-405 on-ramp from Bristol
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.
SAFETY FIRST! NATIONAL SAFETY MONTH

When traveling on I-405, slow down and avoid distracted driving. According to the California Office of Traffic Safety (OTS), distracted driving is anything that takes your eye, hands, or mind away from the task of driving.

Be sure to buckle up, keep your mind on the road, and remember #55onthe405!
CHECK IT OUT! INSIDE THE 405 SERIES
We are taking you Inside the 405 Project with our new video series highlighting the progress we’ve made. Throughout this series, we’ll be diving into how the 405 project started, what’s coming up, all the different ways our team helps you get where you need to go, working with our first responder partners, talking to diverse communities along the 16-mile project area, looking at future travel options in the 405 Express Lanes and working with local businesses through our 405 Forward Program.

We are excited to bring you along on this journey as we talk through all the progress we’ve made on the 405 Project!
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!