Want to know what SR 520 construction activities are underway or coming soon? You've come to the right place. The map below allows you to search by date, activity or location for detailed information about current or upcoming construction related to the SR 520 Program.
9/22/2021 - 9/24/2021
Next highway closure: Westbound SR 520 closed overnight 9/22 and 9/23 more...
How to use this page:
Note: This tool is presented for planning purposes only. Construction work is inherently dependent on weather and other factors, and activities are subject to change.