 June 20, 2025
 Historic photos of SR 11/Chuckanut Drive from the WSDOT archives
After one of the largest rockslides in recent memory, State Route 11/Chuckanut Drive is officially back open and just in time for summer.
An April 22 slide dumped more than 3,600 tons of rock onto the highway, including 15 to 20 boulders the size of SUVs. It also took out 100 feet of guardrail and left a 16-by-17-foot rock teetering above the road. WSDOT geotechnical engineers assessed the slope, and contractor crews scaled it to remove loose rock and install anchors to stabilize the hillside.
Crews also used the closure to complete additional slope work a few miles north, addressing another problem area from a slide last fall.
Chuckanut’s curves and views are iconic, but they come with geological challenges. Now that she’s reopened, we hope you’ll enjoy the drive and take in the scenery with a little extra appreciation for the work it took to get her back open.
We’d like to give a special thank you to the residents, local businesses, and their patrons who navigated the closure with patience and understanding. Your support made it easier to complete this emergency work efficiently, and we appreciate your flexibility during a tough stretch.
To view photos of this emergency repair and stabilization project check out our SR 11 Chuckanut Drive Rock Slide album on Flickr.
We often have special events and roadwork taking place in the Northend, including construction projects, maintenance and repairs. We always try to minimize any effects to travel, but sometimes it is necessary to close a lane to do the work or create a safe work zone for our crews.
While we aren't doing a lot of roadwork this week, our crews will still be out monitoring and keeping the roads safe. If you spot them, slow down and give them space to work! A huge thanks to our crews for all their hard work.Â
Want more information? Visit our real time travel center, where these projects and repairs can be found on our travel map, and download our app to receive alerts directly to your smartphone.
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Sunday, June 22 and Friday, June 27
- Until further notice, from 9 p.m. to 6 a.m. all nights except Saturday, Ziply crews will alternate traffic on State Route 530 immediately west of the Town of Darrington (mileposts 47-48) for utility work.
Monday, June 23 to Friday, June 27
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From 7 a.m. to 4 p.m. weekdays through Tuesday, July 4 (no work on Juneteenth), both directions of State Route 20 between the town of Concrete (milepost 90) and the entrance to North Cascades National Park (milepost 109) will alternate through a single lane with flaggers on site for PSE work.
- From 7:30 a.m. to 4 p.m. both directions of State Route 544/Pole Road just west of Noon Road (milepost 4) will alternate traffic through a single lane with flaggers on site for maintenance work.
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Until further notice, from 9 a.m. to 3 p.m. Monday through Friday, SnoPUD crews will alternate traffic on State Route 530 between 171st Avenue Northeast (milepost 29) and Oso Loop Road (milepost 34) for vegetation clearing/trimming and utility line work.
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Until further notice, from 9 a.m. to 3 p.m. weekdays (no work June 18-20), Ziply crews will alternate traffic on State Route 530 immediately west of the Town of Darrington (mileposts 46-48) for utility work.
- Weekdays from 9 a.m. to 2 p.m. through Friday, June 27 (except June 19-20), both directions of State Route 530 between Sauk Prairie Road (milepost 49) and Fortner Road (milepost 53) will alternate traffic through a single lane with flaggers on site and occasional traffic holds for Ziply utility work.
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From 9 a.m. to 3 p.m. a single lane of southbound I-5 between State Route 538/College Way (milepost 227) and State Route 536/2nd Street (milepost 226) will close for hazardous tree removal.
- From 8 p.m. to 5 a.m. nightly (no work Friday and Saturday nights, and no work June 18-21) through Monday, June 30, both directions of State Route 20 between Southeast 3rd Avenue/Southeast Cabot Drive (milepost 32) and Northeast Midway Boulevard/Northeast Goldie Road (milepost 33) will have a lane closed at the intersection with flaggers on site for Ziply work.
- Weeknights from 9 p.m. to 5 a.m. Monday, June 23 through the morning of Tuesday, July 3 both directions of State Route 544/Pole Road at Hannegan Road (milepost 2) will alternate through a single lane with flaggers on site for Ziply work.
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From 9 p.m. to 5 a.m. weeknights beginning Wednesday, June 25 (no work July 3-6) through Wednesday, July 9, both directions of State Route 20 just east of Cascade River Road (milepost 107) will alternate through a single lane with flaggers on site for Ziply fiber work.
Tuesday, June 24
- From 8:30 a.m. to 3 p.m., a single right lane of southbound I-5 near Bow Hill Road (milepost 236) will close for weight station camera replacement work.
Wednesday, June 25 to Thursday, June 26
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From 9 p.m. to 5 a.m. nightly, flaggers will alternate both directions of State Route 20 in one lane through the intersection of Campbell Lake Road (milepost 46) for utility work.
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From 9 p.m. to 5 a.m. nightly, flaggers will alternate both directions of State Route 9 through one lane just north of Stanwood-Bryant Road (milepost 33) for SnoPUD utility work.
Thursday, June 26 to Friday, June 27
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