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HIGHEST IMPACT
I-5 Southbound - Update 1:40 PM : On the I-5 southbound off-ramp to S 272nd St (MP 147) there is an incident blocking the right lane. Medical Aid, Fire Assistance, and the State Patrol have arrived on the scene. Last Updated: 3/29/2015 1:41 PM More Info
At milepost 147
HIGH IMPACT
I-5 Both Directions - Friday, March 27 to Sunday, March 29 – The Emerald City Comicon at the Washington State Convention Center will cause additional congestion on highways leading into Seattle, including I-5, I-90, SR 520 and SR 99. Last Updated: 3/23/2015 11:41 AM More Info
From milepost 162 to milepost 174
HIGH IMPACT
SR 16 Both Directions - Severe Side Winds on SR 16 both directions at milepost 7.3 near Tacoma Narrows Bridge beginning at 10:30 am on March 29, 2015 until further notice. Last Updated: 3/29/2015 10:40 AM More Info
At milepost 7
HIGH IMPACT
SR 20 Both Directions - SR 20, the NORTH CASCADES HIGHWAY IS CLOSED FOR THE SEASON FROM MILEPOST 171 at the Silver Star (Creek) Gate, 13 miles west of Mazama TO MILEPOST 134 AT DIABLO GATE 14 miles east of Newhalem. Clearing work began March 16 and should be complete by mid April. Last Updated: 3/20/2015 3:59 PM More Info
From milepost 178 to milepost 134
MODERATE IMPACT
I-5 Both Directions - I-5, Mellen Street to Blakeslee Junction - Stage 2 (Mileposts 79.81 to 84.15)
Traffic Impacts: Monday, March 30 to the morning of Saturday, April 4: The Southbound, I-5, Harrison Avenue off-ramp will be closed nightly, from 8 p.m. to 6 a.m., for excavation, striping and paving work. Last Updated: 3/27/2015 12:18 PM More Info
From milepost 80 to milepost 85
MODERATE IMPACT
I-5 Southbound - Saturday, April 4: Beginning Saturday morning, drivers can expect a traffic revision on I-5, southbound, as mainline traffic is shifted onto the new Skookumchuck Bridge. Last Updated: 3/27/2015 12:18 PM More Info
From milepost 80 to milepost 85
MODERATE IMPACT
I-5 Southbound - Monday, March 30 to Friday, April 3: Nighttime, intermittent, single-lane and shoulder closures on I-5, southbound, Monday through Wednesday, from 8 p.m. to 5 a.m., Thursday, from 9 p.m. to 5 a.m., and Friday, from 10 p.m. to 5 a.m., for barrier moving, grinding and paving and stripe work. Last Updated: 3/27/2015 12:16 PM More Info
From milepost 80 to milepost 85
MODERATE IMPACT
I-90 Westbound - Flammable cargo is prohibited on I-90 westbound from E Mercer Way (MP 8) to Rainier Ave S (MP 3). Last Updated: 3/27/2015 11:57 PM More Info
From milepost 8 to milepost 4
MODERATE IMPACT
I-90 Westbound - Friday, March 27 to the morning of Monday, March 30 - 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: 3/25/2015 12:15 PM More Info
From milepost 9 to milepost 3
MODERATE IMPACT
I-90 Both Directions - Friday, March 27 to the morning of Monday, March 30 - The I-90 express lanes will be westbound starting at 9 p.m. and remain westbound into normal Monday schedule due to a full weekend closure of westbound I-90. Last Updated: 3/12/2015 1:04 PM More Info
From milepost 2 to milepost 10
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
SR 4 Both Directions - SR 4 - 3.1 Miles East of US 101 - Culvert Rehabilitation (milepost 3.1)
Traffic impacts:
A temporary bypass road is now open on both directions of SR 4. Drivers will follow a marked detour route along Youth Camp Road. Last Updated: 1/23/2015 8:29 AM More Info
At milepost 3
MODERATE IMPACT
SR 123 Both Directions - SR 123/Cayuse Pass is closed from Crystal Mountain Boulevard to Stevens Canyon Road for the season. Last Updated: 12/17/2014 12:09 PM More Info
At milepost 16
MODERATE IMPACT
SR 508 Both Directions - SR 508, Both directions at the South Fork Newaukum River Bridge (milepost 13.65) - Weight Resctriction
Traffic Impacts:
NOTE: The bridge is now open to traffic. Drivers should expect around-the-clock, alternating, single-lane traffic across the bridge. Drivers should follow signed traffic revisions and wait until the bridge is clear before proceeding across. Last Updated: 1/23/2015 8:17 AM More Info
At milepost 14
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
MODERATE IMPACT
SR 542 Both Directions - Eastbound & westbound traffic is alternating on SR 542/Mount Baker Hwy near Glacier Springs (MP 30) as part of an emergency project to realign the roadway due to the Nooksack River eroding land near the eastbound lane. Work will be complete in April 2015. Last Updated: 2/20/2015 8:53 AM More Info
At milepost 30
LOW IMPACT
I-5 Northbound - I-5, Northbound, Gee Creek Rest Area, Discovery Corridor Wastewater Transmission System (milepost 10.75)
Traffic Impacts:
Monday, March 30 to Friday, April 3: A single-lane will be closed approaching the rest area nightly for sewer line installation work, from 7 p.m. to 5 a.m. Last Updated: 3/27/2015 12:19 PM More Info
At milepost 11
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
LOW IMPACT
I-90 Both Directions - I-90 Snowshed to Keechelus Dam Project (mileposts 57 to 63): Beginning Monday, March 30th, nighttime, single-lane closures in the milepost 57 to 63 vicinity. Both East and Westbound: No loads over 12’ wide Monday through Friday nights, from 8 p.m. to 9 a.m. the following morning. Last Updated: 3/27/2015 10:53 AM More Info
From milepost 57 to milepost 63
LOW IMPACT
I-205 Southbound - I-205 - Mill Plain Interchange to 18th Street Improvements: (I-205 mileposts 27.22 to 30.28)
Traffic Impacts:
Monday, March 30, to the morning of Friday, April 3: Drivers should expect intermittent, single-lane closures on both directions of I-205, between Mill Plain and 18th Street, nightly from 8 p.m. to 6 a.m., for concrete work and material delivery. Work is weather dependent. Last Updated: 3/27/2015 12:20 PM More Info
From milepost 27 to milepost 31
LOW IMPACT
I-405 Northbound - The Northeast 160th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for paving work. Last Updated: 3/20/2015 2:18 PM More Info
At milepost 23
LOW IMPACT
US 97 Both Directions - US 97, Biggs Rapid Bridge Painting (mileposts 0.25 to 0.49)
Traffic Impacts:
Monday, March 30 to Friday, April 3: Drivers should expect alternating, single-lane closures, with flaggers, across the bridge nightly from 10 p.m. to 5 a.m., due to painting. Last Updated: 3/27/2015 12:20 PM More Info
From milepost 0 to milepost 1
LOW IMPACT
SR 14 Both Directions - SR 14 - Guardrail Replacement (mileposts 30.0 to 35.0)
Traffic Impacts: Monday, March 30 to Friday, April 3: Traffic will be alternated through a single-lane of the SR 14 Spur between Smith-Cripe Road and Gupril Road, from 8 a.m. to 4:30 p.m. daily, for guardrail replacement. Delays of up to 20 minutes are expected. Last Updated: 3/27/2015 12:21 PM More Info
From milepost 30 to milepost 35
LOWEST IMPACT
I-5 Southbound - I-5/I-205 - Bi-State Corridor Travel Time Add Signage (I-5, mileposts 2.50 to 1.91)
Traffic Impacts:

No scheduled lane or ramp closures Last Updated: 3/27/2015 12:22 PM More Info
From milepost 2 to milepost 2
LOWEST IMPACT
I-82 Both Directions - I-82 Selah Creek Rest Areas both directions: Water and sewer services for recreational vehicles will be closed at both rest areas to upgrade the facilities. The dump stations will reopen in early May for use by recreational travelers. Last Updated: 3/27/2015 12:25 AM More Info
At milepost 22
LOWEST IMPACT
I-90 Both Directions - I-90 Snoqualmie Pass rock blasting closures are scheduled to resume sometime in April 2015. Last Updated: 3/27/2015 12:25 AM More Info
At milepost 58
LOWEST IMPACT
I-90 Both Directions - The I-90 Wanapum and Echo Scenic View Areas at Exits 139, overlooking the Columbia River and Vantage, are closed for winter. That also closes access to the "Grandpa cuts loose the ponies" sculpture on the hill above the eastbound parking lot. Last Updated: 3/13/2015 3:52 PM More Info
From milepost 139 to milepost 140
LOWEST IMPACT
US 2 Westbound - The Iron Goat Trail interpretive site and rest area closed for the season November 4 and should reopen by Memorial Day in the spring. Last Updated: 2/20/2015 10:10 AM More Info
From milepost 58 to milepost 58
LOWEST IMPACT
SR 6 Both Directions - SR 6, Rock Creek East and West Bridges - Replacement (mileposts 25.95 to 26.94)
Traffic Impacts:
Monday, March 30 to Friday, April 3: Both directions of traffic may be alternated through a single-lane of the Rock Creek Bridge daily, from 7 a.m. to 3:30 p.m., for bridge replacement work. Work is weather dependent. Last Updated: 3/27/2015 12:19 PM More Info
From milepost 26 to milepost 27
LOWEST IMPACT
SR 14 Both Directions - SR 14, Both directions between Vine Street and Dalles Mountain Road (mileposts 67.0 to 84.0)
Monday, March 30 to Tuesday, March 31: Drivers should expect daytime, alternating, single-lane closures with flaggers, between the SR 14 between Vine Street and Dalles Mountain Road, from 7 a.m. to 4 p.m., for mobile operation of roadway and shoulder sweeping. Last Updated: 3/27/2015 1:06 PM More Info
From milepost 67 to milepost 84
LOWEST IMPACT
SR 14 Both Directions - SR 14, Both directions, between Dalles Mountain Road and Wishram Road (mileposts 87.0 to 94.0)
Monday, March 30: Drivers should expect daytime, alternating, single-lane closures, on both directions of SR 14, between Dalles Mountain Road and Wishram Road, from 6:30 a.m. to 4:30 p.m., for mobile operation of brush and grass removal from the roadway and shoulder. Last Updated: 3/27/2015 1:04 PM More Info
From milepost 87 to milepost 94
LOWEST IMPACT
SR 17 Northbound - The Blue Lake Rest Area is closed for the Season. Last Updated: 2/20/2015 10:10 AM More Info
From milepost 90 to milepost 90
LOWEST IMPACT
SR 410 Both Directions - Chinook Pass is closed for the season from milepost 74 near Morse Creek (five miles east of the summit) to milepost 57 near Crystal Mountain Blvd (12 miles west of the summit). WSDOT has pushed back the reopening date for Cayuse Pass to Friday, April 3 as a result of predicted snowfall for this week. Chinook Pass is also set to reopen on Friday, April 3. The scheduled reopening dates are historically early for both passes. Last Updated: 3/27/2015 12:25 AM More Info
From milepost 74 to milepost 58
LOWEST IMPACT
SR 500 Both Directions - SR 500 - BNSF Project (mileposts 19.5 to 20.0)
Traffic Impacts:
Monday, March 30 to Friday, April 3: Drivers should expect daytime, single-lane closures, on both directions of SR 500, for trucks entering and exiting the roadway and guardrail work. Last Updated: 3/27/2015 1:03 PM More Info
From milepost 20 to milepost 20