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HIGH IMPACT
I-5 Both Directions - Saturday, April 18 – A Seattle Mariners baseball game that begins at 6:10 p.m. at Safeco Field will cause additional congestion on highways leading into Seattle, including I-5, I-90, SR 520 and SR 99. Last Updated: 4/6/2015 11:53 AM More Info
From milepost 162 to milepost 174
HIGH IMPACT
I-90 Westbound - Friday, April 17 to the morning of Monday, April 20 - All westbound I-90 traffic will be detoured to the express lanes between Bellevue Way Southeast and Rainier Avenue South from 11 p.m. Friday to 5 a.m. Monday for construction. Drivers heading to Mercer Island must take the East Mercer Way exit. Last Updated: 4/16/2015 2:48 PM More Info
From milepost 9 to milepost 3
HIGH IMPACT
I-90 Both Directions - Friday, April 17 to the morning of Monday, April 20 - The I-90 express lanes will be westbound by 9 p.m. and remain westbound into normal Monday schedule due to a full weekend closure of westbound I-90. Last Updated: 4/2/2015 1:22 PM More Info
From milepost 2 to milepost 10
HIGH IMPACT
SR 20 Both Directions - The Whidbey Island Marathon will impact both directions of SR 20 on Sunday morning, April 19, 2015. WSP will intermittently control traffic from Rosario Rd to Ducken Rd from 6:00 a.m. to 7:00 a.m. Event Closures: Rosario Rd to Ducken Rd from 7:00 a.m. to 7:45 a.m.; the Westbound SR 20 left turn lane to SE Pioneer Way and the through lane to S Beeksma Dr from 8:00 a.m. to 9:00 a.m., and the Eastbound SR 20 right turn/through lane to S Beeksma Dr and SE Pioneer Way from 8:00 a.m. to 9:00 a.m. Last Updated: 4/17/2015 4:33 PM More Info
From milepost 31 to milepost 43
MODERATE IMPACT
I-5 Northbound - Saturday, April 18 to the morning of Sunday, April 19 - The University Street on-ramp to northbound I-5 will be closed from 10 p.m. to 7 a.m. for lighting system repairs. Last Updated: 4/16/2015 12:16 PM More Info
At milepost 166
MODERATE IMPACT
I-5 Northbound - Saturday, April 18 - The 9th Avenue and Pike Street on-ramp to the northbound I-5 express lanes will close at 9 p.m. The express lanes will close at 11 p.m. The ramp will be back open to traffic when the express lanes reopen southbound at 8 a.m. Last Updated: 4/15/2015 6:23 PM More Info
At milepost 166
MODERATE IMPACT
I-5 Southbound - Saturday, April 18 to the morning of Sunday, April 19 - The Mercer Street on-ramp to southbound I-5 will be closed from 10 p.m. to 7 a.m. for maintenance work. Last Updated: 4/13/2015 11:49 AM More Info
At milepost 167
MODERATE IMPACT
I-5 Northbound - Saturday, April 18 to the morning of Sunday, April 19 - The northbound I-5 off-ramp to Mercer Street will be closed from 10 p.m. to 7 a.m. for maintenance work. Last Updated: 4/13/2015 11:48 AM More Info
At milepost 167
MODERATE IMPACT
I-90 Both Directions - Flammable cargo is prohibited on I-90 eastbound & westbound from Bellevue Way (MP 9) to Raiiner Ave S (MP 3). Last Updated: 4/18/2015 12:12 AM More Info
From milepost 9 to milepost 4
MODERATE IMPACT
I-90 Westbound - All westbound I-90 traffic will be detoured to the express lanes between Bellevue Way Southeast and Rainier Avenue South from 11 p.m. Friday to 5 a.m. Monday for construction. Drivers heading to Mercer Island must take the East Mercer Way exit. Last Updated: 4/17/2015 11:59 PM More Info
From milepost 9 to milepost 4
MODERATE IMPACT
I-90 Eastbound - Wednesday, March 4 to late April - The eastbound I-90 HOV off-ramp to I-405 is closed around the clock for eight weeks for construction. Last Updated: 3/4/2015 10:30 AM More Info
At milepost 10
MODERATE IMPACT
I-405 Northbound - Up to two lanes of northbound I-405 between SR 527 and I-5 in Lynnwood will close from 7 p.m. to 8:30 a.m. for striping work. Last Updated: 4/17/2015 2:45 PM More Info
From milepost 27 to milepost 31
MODERATE IMPACT
I-405 Northbound - One lane of northbound I-405 between Northeast 195th Street and SR 527 will close from 7 p.m. to noon a.m. nightly for lane striping. Last Updated: 4/17/2015 2:34 PM More Info
From milepost 25 to milepost 27
MODERATE IMPACT
I-405 Southbound - The southbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 8 a.m. for traffic shift work. Last Updated: 4/17/2015 2:33 PM More Info
At milepost 18
MODERATE IMPACT
I-405 Southbound - Up to three lanes of southbound I-405 between Northeast 124th Street and Northeast 85th Street will close starting at 7 p.m. for traffic shift work. One lane will open by 8:30 a.m. and all lanes will be open by 10 a.m. Last Updated: 4/17/2015 2:32 PM More Info
From milepost 20 to milepost 19
MODERATE IMPACT
I-405 Northbound - Up to two lanes of northbound I-405 between Northeast 85th Street and Northeast 124th Street will close from 7 p.m. to noon for paving work. Last Updated: 4/17/2015 2:31 PM More Info
From milepost 18 to milepost 21
MODERATE IMPACT
I-405 Southbound - Up to three lanes of southbound I-405 between Northeast 70th Street and SR 520 will close starting at 7 p.m. for paving work. The first lane will be open by 7 a.m. and all lanes will be open by 9.30 a.m. Last Updated: 4/17/2015 2:30 PM More Info
From milepost 17 to milepost 15
MODERATE IMPACT
SR 527 Northbound - The SR 527 ramp to northbound I-405 will close from 9 p.m. to 9 a.m. for striping work. Last Updated: 4/17/2015 2:43 PM More Info
At milepost 3
MODERATE IMPACT
SR 539 Northbound - Effective through Winter 2016: Canada Border Services Agency has made changes to its Aldergrove border crossing that could result in back-ups on SR 539. Processing has been reduced from three lanes to two. Drivers should consider using the Sumas, Pacific Highway or Peace Arch border crossings to avoid delays. Last Updated: 10/17/2014 8:24 AM More Info
At milepost 15
LOW IMPACT
I-5 Northbound - Drivers may experience increased congestion in Skagit County, particularly around the exits to La Conner, from March 28-April 30 for the Skagit Valley Tulip Festival. Last Updated: 3/16/2015 1:26 PM More Info
From milepost 226 to milepost 230