@wsdot_520

Built the world's longest floating bridge & we're heading west. Closure info: https://xitter.cf/t.co/xG03OsnQR6 Vintage cover 📷:@SeatownNative

 Seattle, WA
wsdot.wa.gov/construction-planning/major-projects/sr-520-bridge-replacement-and-hov-program
Joined August 2014
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🚧 This week on SR 520: Nightly ramp closures continue, along with an around-the-clock closure of the bike and pedestrian bridge over SR 520 in the Montlake neighborhood. Keep this calendar rundown handy as you plan your trips this week! 🔗The latest on SR520construction.com
Weekly closure graphic

ALT Weekly closure graphic

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🚶🚲 Heads up, Montlake! The bike and pedestrian bridge over SR 520 closes around the clock from 7 a.m. Oct. 19 to 5 p.m. Oct. 23 for concrete path repairs. Follow signed detours and use caution through the area! Details: sr520construction.com/bike-a…
Bike and pedestrian map graphic

ALT Bike and pedestrian map graphic

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12 years ago today, my @wsdot_520 haiku. I did not win a chunk of the ramp to nowhere 🥲 concrete ribbons / arboretum full of colour / summer memories
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It's not too late to join our online Portage Bay construction update meeting at noon! Register here and hop on: us02web.zoom.us/webinar/regi…

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SR 520@wsdot_520Oct 13
Portage Bay construction updates 🤝 Seahawks game night. Join us virtually this Thursday at noon to connect with the team and get all your questions answered well before game time. Talk project updates at noon, kickoff in the evening 🏈 🔗 Register: bit.ly/portagebay-meeting
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🚧REMINDER: Tonight (10/14), 10PM - 6AM, these SR 520 ramps and Boyer Ave E will close: -SB I-5 on-ramp to EB SR 520 -EB SR 520 off-ramp to Montlake Blvd -Montlake Blvd on-ramp to WB SR 520 -Boyer Ave E (both directions; Roanoke to Everett) 🔗Details: SR520construction.com
SR 520@wsdot_520Oct 12
Night owls, here’s your weekly SR 520 closure roundup! 🌙 Several ramps and Boyer Ave E will close on select nights this week 10PM to 6AM. 🚧SR520construction.com is the best place to check for the latest updates on all SR 520 closures!
Week of Oct. 12 closure graphic

ALT Week of Oct. 12 closure graphic

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An earthquake can strike at any time! Are you prepared? Practice Drop, Cover & Hold on with millions of others this Thurs at 10:15 am. If you live along/visit WA's coast, practice walking your tsunami evacuation route! Register for the @waShakeOut: shakeout.org/washington/ @waEMD
ShakeOut. Don’t freak out. Get ready to shakeout on October 15, 2026. Register at ShakeOut.org.

ALT ShakeOut. Don’t freak out. Get ready to shakeout on October 15, 2026. Register at ShakeOut.org.

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Portage Bay construction updates 🤝 Seahawks game night. Join us virtually this Thursday at noon to connect with the team and get all your questions answered well before game time. Talk project updates at noon, kickoff in the evening 🏈 🔗 Register: bit.ly/portagebay-meeting
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🏈 Hey 12s! You’ve caused earthquakes in the stands before (remember the Beastquake?) Before the @Seahawks tackle the Broncos on game day, Oct. 15, let's tackle earthquake preparedness! Learn more at shakeout.org/Washington
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Night owls, here’s your weekly SR 520 closure roundup! 🌙 Several ramps and Boyer Ave E will close on select nights this week 10PM to 6AM. 🚧SR520construction.com is the best place to check for the latest updates on all SR 520 closures!
Week of Oct. 12 closure graphic

ALT Week of Oct. 12 closure graphic

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🚧 Heads up! The eastbound 520 off-ramp to Montlake closes this Saturday (10/10) at 10PM and reopens by 6AM Sunday morning. Entering EB 520 from I-5? You’ll cross the lake & pay toll. Use alt routes to reach Montlake and/or access EB 520. Details: sr520construction.com/eastbo…
10/10 EB ramp to Montlake overnight closure graphic

ALT 10/10 EB ramp to Montlake overnight closure graphic

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🚧REMINDER: These SR 520 ramps are closing tonight at 10 p.m. (10/8) and will reopen by 6 a.m. tomorrow morning. -Eastbound SR 520 off-ramp to Montlake -WB off-ramps to northbound I-5 & E Roanoke St Details on SR520construction.com!

SR 520 Construction Corner - SR 520 Construction Corner

Want to know about current or upcoming SR 520 construction closures and activities? You’ve come to the right place. Use the interactive map below to filter by date range, location, and closure type...

sr520construction.com
SR 520@wsdot_520Oct 5
🚧Night owls! SR 520 ramp closures start tonight: -EB 520 off-ramp to Montlake: From I-5, you’ll cross the lake/pay toll -WB 520 off-ramp to NB I-5/E Roanoke: Past Montlake, you’ll detour to SB I-5 ‼️Dates can change as work progresses, check SR520construction.com for latest!
Weeknight ramp closure graphic

ALT Weeknight ramp closure graphic

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FALL BALL IS BACK! Served with a steaming hot Kupp of closures this weekend. - SB I-405 will CLOSE 10p Fri to 4a Mon btwn SR 527 and SR 522 - NB I-5 express lanes will CLOSE overnight 11p Fri (10/9) to 8a Sat (10/10) to complete drainage work underneath the Ship Canal Bridge
Hand-drawn WSDOT Paint Map of the Seattle area for Oct. 9-12 with fall and football-themed illustrations. Red text marks southbound I-405 and ramps closed near Bothell, plus two northbound I-5 lanes down and I-5 express lanes closed overnight in Seattle. A Seahawks player catches a pumpkin while saying “Squash the Niners!” A Husky wearing a pumpkin head says, “It’s fall, y’all. Let’s ball!” Other drawings include a Seahawks scarf, a “Kupp of PSL” coffee cup, a UW-themed slice of pumpkin pie and a football labeled Oct. 9-12.

ALT Hand-drawn WSDOT Paint Map of the Seattle area for Oct. 9-12 with fall and football-themed illustrations. Red text marks southbound I-405 and ramps closed near Bothell, plus two northbound I-5 lanes down and I-5 express lanes closed overnight in Seattle. A Seahawks player catches a pumpkin while saying “Squash the Niners!” A Husky wearing a pumpkin head says, “It’s fall, y’all. Let’s ball!” Other drawings include a Seahawks scarf, a “Kupp of PSL” coffee cup, a UW-themed slice of pumpkin pie and a football labeled Oct. 9-12.

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🚧REMINDER: The westbound SR 520 off-ramp to northbound I-5 and East Roanoke Street closes overnight 10 p.m. to 6 a.m. for excavation work. Folks who stay on will detour to southbound I-5. 🔗Details on Construction Corner: sr520construction.com/westbo…
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On Oct. 15, 2026, we’re asking you to drop, cover & hold on for the Great Washington ShakeOut, part of the country’s largest earthquake drill. The event also includes a tsunami siren test and evacuation drills in some schools. More details: mil.wa.gov/news/worlds-large…
At 10:15am on 10/15, more than 120 Washington tsunami sirens along the inner and outer coast will be tested using the real wailing sound of a tsunami warning, not the Westminster Chimes that are typically used during the monthly tests. PLEASE DO NOT CALL 911. There WILL be a test of the Emergency Alert System on radio and television this year. The Wireless Emergency Alert text system on cell phones will NOT be tested. Those who have downloaded the free MyShake Earthquake Early Warning App on their phones will get a test. Sirens related to the Columbia Generating Station will be tested in the Tri-Cities areas and some local jurisdictions will test their reverse 911 and opt-in text alerts. NOAA Weather Radios will also sound an alarm.

ALT At 10:15am on 10/15, more than 120 Washington tsunami sirens along the inner and outer coast will be tested using the real wailing sound of a tsunami warning, not the Westminster Chimes that are typically used during the monthly tests. PLEASE DO NOT CALL 911. There WILL be a test of the Emergency Alert System on radio and television this year. The Wireless Emergency Alert text system on cell phones will NOT be tested. Those who have downloaded the free MyShake Earthquake Early Warning App on their phones will get a test. Sirens related to the Columbia Generating Station will be tested in the Tri-Cities areas and some local jurisdictions will test their reverse 911 and opt-in text alerts. NOAA Weather Radios will also sound an alarm.

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REMINDER: Nightly #520RAMPCLOSURES continue tonight at 10PM! -EB off-ramp to Montlake -WB off-ramps to NB I-5/E Roanoke Plan ahead!
SR 520@wsdot_520Oct 5
🚧Night owls! SR 520 ramp closures start tonight: -EB 520 off-ramp to Montlake: From I-5, you’ll cross the lake/pay toll -WB 520 off-ramp to NB I-5/E Roanoke: Past Montlake, you’ll detour to SB I-5 ‼️Dates can change as work progresses, check SR520construction.com for latest!
Weeknight ramp closure graphic

ALT Weeknight ramp closure graphic

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🚧Night owls! SR 520 ramp closures start tonight: -EB 520 off-ramp to Montlake: From I-5, you’ll cross the lake/pay toll -WB 520 off-ramp to NB I-5/E Roanoke: Past Montlake, you’ll detour to SB I-5 ‼️Dates can change as work progresses, check SR520construction.com for latest!
Weeknight ramp closure graphic

ALT Weeknight ramp closure graphic

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Final reminder before your weekend gets rolling: Eastbound SR 520 between I-5 and Montlake in Seattle closes at 11PM tonight thru 5AM Monday 🚧 Heading from I-5 to Montlake or want to take eastbound SR 520 across the lake? Plan ahead & use alt routes! 🔗sr520construction.com/eastbo…
Oct. 2-5 closur emap

ALT Oct. 2-5 closur emap

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#WeekendClosure📸 A bird’s-eye view of your weekend heads-up: Eastbound 520 (I-5 to Montlake only) is closed Oct. 2-5 while crews prep parts of the old bridge & off-ramp pictured here for removal. Use alt routes to reach Montlake & EB 520! Closure info: sr520construction.com/eastbo…
Log In Sign Up ✨ Get Pro MODE Log In Explore What’s New Camera Finder Trending Events The Commons Flickr Galleries Flickr Blog About Jobs Blog Advertise Developers Guidelines Help Privacy Legal Terms Cookies English Washington State Dept of Transportation WSDOT Follow Aerial view of SR 520 approaching Montlake Big changes are in the works for SR 520 approaching Montlake Boulevard. Crews are building a temporary SR 520 roadway south of the existing lanes in order to keep traffic moving while they remove and replace the old Portage Bay Bridge. You can expect to see a traffic shift onto this temporary roadway in 2027.

ALT Log In Sign Up ✨ Get Pro MODE Log In Explore What’s New Camera Finder Trending Events The Commons Flickr Galleries Flickr Blog About Jobs Blog Advertise Developers Guidelines Help Privacy Legal Terms Cookies English Washington State Dept of Transportation WSDOT Follow Aerial view of SR 520 approaching Montlake Big changes are in the works for SR 520 approaching Montlake Boulevard. Crews are building a temporary SR 520 roadway south of the existing lanes in order to keep traffic moving while they remove and replace the old Portage Bay Bridge. You can expect to see a traffic shift onto this temporary roadway in 2027.

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🔹COOLEST SEPTEMBER IN 19 YEARS🔹 With an average temperature of 60.3°, last month finished 2.3° below normal—Seattle’s coolest September since 2007.
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Good To Go! has four different kinds of passes that make paying for tolls easier and less expensive. All of them work on every toll road in Washington, but each pass serves a different purpose so you can pick which one works best for your situation
Good To Go! has four different kinds of passes that make paying for tolls easier and less expensive. All of them work on every toll road in Washington, but each pass serves a different purpose so you can pick which one works best for your situation

ALT Good To Go! has four different kinds of passes that make paying for tolls easier and less expensive. All of them work on every toll road in Washington, but each pass serves a different purpose so you can pick which one works best for your situation

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