SR 520 Construction Corner

The go-to source for information on SR 520 construction


Closure of the Montlake Boulevard exit from westbound SR 520 10/7-10/8 and 10/12-10/15

10/7/2020 to 10/15/2020
10:00 p.m. to 6:00 a.m.

Crews will install a 54-inch water line under SR 520. This work will occur on weekdays between 10 p.m. and 6 a.m., from Wednesday, Oct. 7 through Thursday, Oct. 8 and then again Monday, Oct. 12 through Thursday, Oct. 15. During work hours, the Montlake Boulevard exit from westbound SR 520 will be closed.

Noise: Nearby neighbors may hear additional truck traffic and feel vibrations from soil compacting during work hours. Traffic: This work will occur between 10 p.m. and 6 a.m., from Wednesday, Oct. 7 through Thursday, Oct. 8 and then again Monday, Oct. 12 through Thursday, Oct. 15., the Montlake Boulevard exit from westbound SR 520 will be closed.

Activity Type Lane and Ramp Closures
Activity Type Nighttime Activities

Learn more about how we're managing certain types of construction activities.

Note: This tool is presented for planning purposes only. Construction is inherently dependent on weather and other factors, and activities are subject to change.