SR 520

@sr520.wsdot.wa.gov

Built the world's longest floating bridge & we're heading west. Closure info: http://sr520construction.com. Vintage cover by SeatownNative (on X). Official WSDOT BlueSky account for SR 520.

Heads up, Puget Sound: One of the busiest construction weekends of the summer is here. Major travel impacts include NB I-405, NE 85th St, EB SR 520 and SR 202 closures, plus ongoing Revive I-5 lane reductions. Saturday will be busiest. Plan ahead and check our travel map.

Map showing major Puget Sound construction impacts for Aug. 7-10. Highlights include ongoing Revive I-5 northbound lane reductions, an eastbound SR 520 closure between I-5 and Montlake Boulevard Saturday night into Sunday morning, a northbound I-405 closure between SR 900 and Coal Creek Parkway, the NE 85th Street and I-405 ramp closures in Kirkland, and the SR 202 closure between Fall City and Snoqualmie.

HEADS UP: One of the busiest construction weekends of the summer is here! Major travel impacts include NB I-405, NE 85th St, EB SR 520 and SR 202 closures, plus NB I-5 lane reductions. Plan ahead, follow detours and check our app or real-time travel map before you go.

Map of major highway construction impacts in the Puget Sound region for Aug. 7–10. Northbound I-405 will close between SR 900 and Coal Creek Parkway in Renton and Bellevue from 11:30 p.m. Friday, Aug. 7, to 4 a.m. Monday, Aug. 10. The NE 85th Street corridor and I-405 ramps in Kirkland will close from Sixth Street to 114th Avenue Northeast from 10 p.m. Friday, Aug. 7, to 5 a.m. Monday, Aug. 10, including the northbound and southbound I-405 off-ramps at Exit 18 and the NE 85th Street on-ramps to northbound and southbound I-405. Eastbound SR 520 between I-5 and Montlake Boulevard will close from 7 p.m. Saturday, Aug. 8, to 11 a.m. Sunday, Aug. 9, for expansion joint repairs. Eastbound SR 520 remains open across Lake Washington; only the Seattle approach between I-5 and Montlake Boulevard is closed. Northbound I-5 over the Ship Canal Bridge remains reduced to two lanes through the end of 2026 as part of Revive I-5, and the I-5 Express Lanes operate northbound only 24 hours a day, seven days a week. SR 202 will close just east of the SR 202/SR 203 roundabout near Fall City from 9 p.m. Thursday, Aug. 6, to 9 p.m. Monday, Aug. 10. The map highlights each project location around Seattle, Kirkland, Bellevue, Renton and Fall City.

SEAFAIR WEEKEND IS CLEARED FOR TAKEOFF! Here's what to expect: -I-90 bridges will be open across Lake WA. Do not stop on the I-90 Trail to watch the show -NB I-5 over the Ship Canal Bridge is reduced to 2 lanes w/ express lanes running NB 24/7 -WB Tacoma Narrows Bridge reduced to 2 lanes 6a-8p Sat

Hand-drawn map of western Washington highlighting weekend road closures and events. Illustrations include the Blue Angels, fireworks, a Mariners moose, Ed Sheeran, Megan Moroney, a Tribal Canoe Journey canoe and major construction impacts across the region.

REMINDER: SR 520 will close in both directions across Lake Washington from 11p TONIGHT (7/24) to 7a Saturday. Be sure to plan ahead! @transportation.seattle.gov @cityofbellevuewa.bsky.social @sr520.wsdot.wa.gov

WSDOT Traffic@traffic.wsdot.wa.gov · 2w ago

SR 520 BRIDGE CLOSURE FRIDAY⏰ EB/WB @sr520.wsdot.wa.gov will CLOSE 11p Fri (7/24) to 7a Sat (7/25). This includes: - NB/SB I-5 ramps to EB 520 - Montlake Blvd ramps to EB 520 - Bellevue Way HOV ramp to WB 520 - 84th Ave NE ramp to WB 520 @transportation.seattle.gov @cityofbellevuewa.bsky.social

Map with a text box that reads "SR 520 Both Directions
Description: From 11 p.m. Friday, July 24 to 7 a.m. Saturday, July 25, both directions of State Route 520 from Interstate 5 (milepost 0) to I-405 (milepost 7) will close for maintenance. Both directions of the I-5 on-ramps to eastbound SR 520 and the Montlake Boulevard on-ramps to eastbound SR 520 will close. The 84th Avenue and 108th Avenue Northeast on-ramps westbound SR 520 will also close.
Last updated: 07/16/2026 09:30 AM"

It's HOT. If you're melting today... you're not alone. 🥵 Even the SR 520 floating bridge expands in the heat. Fortunately, it's designed with expansion joints that flex with changing temperatures, wind and even changing lake levels. 🥤Stay hydrated and cool, 520 fam!

HOT sticker on SR 520 bridge

After a weekend closure, Montlake Blvd is now open! The ramps going to and from Montlake should open shortly! Thanks for your patience during the closure!

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Who's hungry? This weekend's menu features a healthy serving of orange construction, especially in Seattle. - Montlake Blvd will close btwn E Hamlin St and E Louisiana St from 10p Fri to 6a Mon - EB I-90 will close btwn Rainier Ave S and 77th Ave SE from 11:30p Fri to 7:30a Sat

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Have questions about construction near Boyer Avenue East? Stop by our outreach table tomorrow! Our team will be there to share updates, answer questions and talk about current and upcoming work. 🗓 Friday, July 17 | 2-4 PM 📍 Near the parking lot @ Montlake Community Center

Event graphic for July 17 popup event from 2-4pm

The orange has returned to the Seattle metro area! Here's what's happening: - NB I-5 CLOSED in Seattle Fri-Mon (7/10-7/13) from I-90 to NE 45th St. On Mon. express lanes will return to NB-only 24/7 until the end of 2026 -EB & WB SR 18 will CLOSE under I-90 Thurs-Mon (7/10-7/13)

Hand-drawn illustrated map of Washington featuring major travel impacts, construction projects, festivals, concerts and sporting events for July 10-13. Orange boxes highlight highway closures and lane reductions, while colorful drawings depict events such as the Seattle to Portland Bicycle Classic, Ragnar Relay, Bremerton Air Show, Kent Cornucopia Days, concerts and community festivals.

Happy 250th birthday, America! 🇺🇸 Going downtown for Seattle fireworks? In partnership w/ the City of Seattle, we'll close the Mercer St off-ramp from I-5 plus the Boylston/Roanoke and Lakeview Blvd exits around 10pm Sat (7/4) Check our holiday travel charts and travel safely!

Hand-drawn illustrated map of Washington highlighting July 3–6 holiday travel. The map features patriotic-themed drawings including fireworks, a giant hot dog, bald eagle, ferry, moose, Smokey Bear blowing out candles on a birthday cake, and the Space Needle. Labels highlight expected heavy traffic statewide, busy ferries, a busy U.S.-Canada border, Vantage Bridge open, long-term SR 160 closure, Seattle Fourth of July off-ramp closures, and major events including Mariners baseball, Seattle Storm, Rainiers baseball, the Kaleo concert, Fourth of July fireworks at Gas Works Park and the Space Needle, and the Old Fashioned Fourth of July celebration in Blaine.

Presenting: this week's MAPsterpiece. 🌈 Seattle Pride is taking center stage this weekend so expect heavier traffic in and around downtown Seattle, especially on Sunday during the parade. Plan ahead! Check our app or real-time travel map and give yourself extra time.

Hand-drawn paint map of Washington highlighting major events and travel impacts for June 26–29. Seattle features a large rainbow "PRIDE," rainbow umbrellas and fireworks, a rainbow Amtrak Cascades train, the Egypt vs. Iran World Cup match, and Seafair Pirates Landing with a pirate and parrot saying, "Arrr we there yet?" Other illustrations include a Cheshire Cat for Beyond Wonderland, musicians for Rhiannon Giddens and Dierks Bentley, a cowboy hat for the Tri-Cities Iconic Country Music Festival, a basketball hoop for Hoopfest, a burger and corn dog for The Taste NW, an eagle for Freedom Fest at JBLM, runners for the Chuckanut Foot Race, and a bridge labeled "Vantage Bridge OPEN." Orange boxes mark closures on SR 160, the southbound I-5 to southbound I-205 ramp in Vancouver, and overnight northbound I-5 lane closures near Napavine.