For project office locations and hours, click here. Staff is available to answer questions by phone or email:

Construction-Related Questions:
(626) 513-5788 /
General Project Questions:
(626) 305-7012 /

Now Available: New Interactive Construction Map Page

The Construction Authority has launched an interactive construction map page on the website. The page is a one-stop destination for all of the project’s construction-related information, including where construction is active and areas to avoid due to long-term street closures. Click here or the Construction Updates link below to view the new map page.

To receive Construction Alerts for future closures and impacts in or around your neighborhood, click here to sign up.