Construction Updates
OCTA in cooperation with Caltrans is widening the San Diego Freeway (I-405) between SR-73 and I-605. The project will improve 16 miles of I-405 between the SR-73 freeway in Costa Mesa and I-605 near the L.A. County line.
View Closures & Detours
Bridge Milestones
The bridges highlighted below have recently reached a significant project milestone.
All Bridge Information
For information about a specific bridge:
English: If you have questions, please
contact the Outreach
Team by calling
888-400-8994
Español: Para obtener
más
información sobre
el Proyecto de Ampliación en el I-405, llame al 888-400-8994
Tiếng Việt: Để
biết
thêm thông tin về Dự Án Cải Thiện Xa Lộ
I-405, vui lòng liên hệ với Gia Ly theo số 888-662-6569