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.
There are no current highway closures on SR 520. Please see the map below for current and upcoming work.
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.