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SEATTLE AREA CONSTRUCTION LOOK AHEAD

Last Update: March 23, 2017

To view this information geographically, visit SDOT's Travelers Information Map

Click here to download the PDF of this information

HIGHLIGHTS

March 23 and 25 - 30: Eastbound SR520 closed nightly between Montlake Blvd. and the Lake Washington Blvd. E. on-ramp.

March 24 - 27: Westbound I-90 reduced to one lane between Bellevue and Seattle; westbound traffic diverted to Express Lanes.

March 25: Seattle Sounders host Club Necexa at 7PM at CenturyLink Field.

March 31 - April 3: SR520 closed in both directions between Montlake Blvd. and Bellevue.

April 1: SPD will escort the March for Health from Westlake Park to Seattle Center via 4th Ave.

April 7 - 10: Eastbound I-90 reduced to one lane between Seattle and Bellevue; eastbound traffic diverted to Express Lanes.

Note: Information subject to change. Additional construction or events may be planned in the Seattle area.
Questions? Contact: construction.coordination@seattle.gov or call 206-684-ROAD

Downtown Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 13
to
April 2
24/7
Lane closures on Stewart St. between 8th Ave. and 7th Ave. Two lanes closed 24/7 on Stewart St. between 8th Ave. and 7th Ave. during roadway restoration work.  Two lanes will remain open at all times.
March 22
to
April 2
24/7
Lane closures on Stewart St. between 7th Ave. and 6th Ave. Two lanes closed 24/7 on Stewart St. between 7th Ave. and 6th Ave. during roadway restoration work.  Two lanes will remain open at all times.
March 24 2PM
to
March 26 11:59PM
Lane closures at Stewart St. & Boren Ave. intersection Stewart St. reduced to two lanes at Boren Ave. during roadway restoration work.  Boren Ave. reduced to one lane in each direction.  Southbound Boren Ave. closed at Virginia St.
March 25
3:30AM - 9PM
8th Ave. closed between Blanchard St. and Westlake Ave. Crews will close 8th Ave. between Blanchard St. and Westlake Ave. during crane work.
March 31
9AM - 12:30PM
Seattle Symphony Friday Matinee Concerts At Benaroya Hall.  Student buses will drop-off and pick-up students on downtown streets.
April 1 & 2
8AM - 5PM
Lane closures on Columbia St. between 6th Ave. and 5th Ave. Crews will close traffic lanes on Columbia St. between 6th Ave. and 5th Ave. during roadway restoration work.
April 1
11AM - 3PM
March for Health SPD will escort march from Westlake Park to Seattle Center via 4th Ave.
April 3 - 14
24/7
Lane closures on Stewart St. between 9th Ave. and 7th Ave. Two lanes closed 24/7 on Stewart St. between 9th Ave. and 7th Ave. during roadway restoration work.  Two lanes will remain open at all times.
April 4
9AM - 12:30PM
National Geographic Student Matinee At Benaroya Hall.  Student buses will drop-off and pick-up students on downtown streets.
April 7 7PM
to
April 10 5AM
4th Ave. S. closed between S. Washington St. and Dilling Way Crews will close 4th Ave. S. between S. Washington St. and Dilling Way during roadway restoration work.
April 7 - 8
TBD
Howell St. closed between 9th Ave. and Terry Ave. Crews will close Howell St. between 9th Ave. and Terry Ave. during the removal of a tower crane.
January 2017
to
Fall 2017
2nd Ave. Mobility Improvements Project The Seattle Department of Transportation is making traffic signal improvements and extending the existing 2-way protected bike lane along 2nd Ave from Pike St to Denny Way. These improvements will organize the street and move people more efficiently.  Construction will start in early 2017 and the new protected bike lane is scheduled to open in fall 2017.
February 13
to
April 5
Sidewalk, parking lane, and traffic lane restrictions on 2nd Ave. between Denny Way and Pike St. during potholing for underground utilities, and signal and foundation work.  During working hours, one lane will remain open at all times north of Lenora St; two lanes will remain open south of Lenora St. Work hours are 7AM to 6PM weekdays.  Intermittent lane closures on cross-streets are also possible during working hours.
March 2017
to
May 2017
Seattle City Light Project -
6th Ave. & Cherry St. Duct Bank Installation Project
Seattle City Light plans to install a duct bank between existing electrical vaults at 6th Ave. and Cherry St.  During the last phase of this project, crews will work on the intersection of 6th Avenue and Cherry Street, and continue into the south side of Cherry Street. During work hours, Cherry Street will be taken down to one lane. Parking will be restricted on both sides of Cherry.  Work hours are 9AM to 3PM weekdays, and 9AM to 6PM weekends.
Stage 1
February 29
to
Fall 2016
Denny Network project Construction of the Denny substation network will begin on Minor Avenue and on Stewart Street. The contractor plans to begin by installing two large vaults – one on Minor Avenue and one on Stewart Street just south of Minor Avenue. They then plan to connect the vaults with underground duct banks. Work will proceed in this manner down Stewart Street to 6th Avenue. This stage of work is expected to be complete in the third quarter of 2016.
March 13
to
April 9
24/7
Northbound Minor Ave. closed between Stewart St. and Virginia St. during pavement restoration work.
March 6
to
April 7
8PM - 4AM
weekdays
Eastbound Virginia St. reduced to one lane between 7th Ave. and 8th Ave. during the installation of a new duct bank.
January 9
to
April 2
24/7
7th Ave. reduced to one lane between Lenora St. and Westlake Ave. for staging equipment and duct bank installation.
March 2
to
April 2
24/7
6th Ave. reduced to one lane between Virginia St. and Lenora St. during the installation of a new electrical vault.
March 8 - 21
24/7
Thomas St. closed between Westlake Ave. N. and 9th Ave. N. during the installation of a new electrical vault.
February 27
to
April 2
24/7
Westbound Thomas St. closed between Westlake Ave. N. and Terry Ave. N. during the installation of a new electrical vault.
March 20
to
April 2
7AM - 3PM
weekdays
Westbound Harrison St. closed between Fairview Ave. N. and Minor Ave. N. during the installation of a new electrical duct bank.
March 20
to
April 2
24/7
Southbound Pontius Ave. N. closed between Thomas St. and John St. during the installation of a new electrical duct bank.
April 4, 2016 Denny Substation project Pontius Ave. N. permanently closed between Denny Way and John St.
Until further notice
24/7
Crews continue excavating and hauling inside the substation work site. Work hours are 7AM to 7PM weekdays, and 9AM to 5PM Saturday.
February 28
to
March 26
24/7
The south half of Minor Ave. N. closed between Denny Way and John St. during underground utility work.  Local Access will be maintained from John St.
March 13 - 26
24/7
The south sidewalk and curb lane on John St. between Minor Ave. N. and Yale Ave. N. closed 24/7 for material and equipment staging.
May 2016
to
Fall 2017
24/7
Yesler Bridge Rehabilitation Project The Seattle Department of Transportation will be rehabilitating the Yesler Way Bridge, located at the intersection of Yesler Way and Terrace St over 4th Ave S, starting as soon as May 2016 and lasting through fall 2017.  Traffic impacts will include: Yesler Way closed in both directions between 3rd Ave. and midway between 5th Ave. and 6th Ave; Terrace St. closed to through traffic, open to local access; 4th Ave. will have ongoing lane closures and occasional full nighttime and weekend closures; sidewalks on either side of 4th Ave. will have alternating closures; transit and bicycle detours in the project area.
January 3
through
April 2017
24/7
Crews will close the sidewalk on the east side of 4th Ave S. between S. Washington St. and Jefferson St. during widening of the bridge footings, and installation of a large electrical utility vault next to the eastern bridge abutment.  A signed detour will be in place.
March 20 - 24
April 3 - 7
24/7
Crews will close the east-middle travel lane on 4th Ave. S. between S. Washington St. and Dilling Way during sidewalk and bridge work.
Until further notice
24/7
Elliott Bay Seawall Project Traffic on Alaskan Wy. S./Alaskan Wy. will be shifted to beneath the Viaduct between S. King St. and Pike St.  Traffic will also be shifted to the east side of Alaskan Wy. between Pike St. and Virginia St.
Until further notice
24/7
As seawall construction expands to the area adjacent to Colman Dock, ferry access for bicyclists and vehicles will shift to Yesler Wy.  Pedestrian access will be maintained via the Marion St. pedestrian bridge, and at street-level between Marion and Columbia St.
Until further notice
24/7
The Marion St. driveway at the Colman Dock shifts north, between Marion St. and Madison St.  During this time most vehicles will exit Colman Dock at Yesler Wy.  All trucks over 30' must exit at Yesler Wy.  Vehicular traffic directed to exit at the Marion St. driveway will turn right or left onto Alaskan Wy.  
October 5 2015
to
June 30 2016
Construction resumes on the waterfront between University St. and Madison St.
January 4
to
mid-2017
Seawall construction begins between Pine and Pike Streets.  Impacts include: removal of on-street parking and trees between Virginia St. and Pike St; removal of the sidewalk on the west side of street; installation of a water treatment facility at Virginia St. and Alaskan Wy.  Access to the Seattle Aquarium, Waterfront Park, and businesses will remain open.
Until Further Notice SR 99 Tunnel Project Parking under the Alaskan Way Viaduct is permanently closed between S King St and Pike St.
Until Further Notice Alaskan Way S.  is closed between S Atlantic St and Madison St until further notice.  Two-way traffic has been re-routed under the Alaskan Way Viaduct and Railroad Way S via 1st Ave S.
Until the SR 99 Tunnel opens to traffic 6th Ave N is closed between Thomas St and Republican St.  Harrison St is closed between Aurora Ave N and Broad St.  Republican St is closed between Aurora Ave N and 6th Ave N.
Until Further Notice 1201 2nd Ave.
2+U

1st & 2nd Ave. between University and Seneca; Seneca & University between 1st and 2nd

38-story office building
Opening: 2019
Construct 38-story office building.  Intermittent closure of sidewalk, parking, and travel lanes on 1st and 2nd Ave. between Seneca St. and University St, and on Seneca and University St. between 1st and 2nd Ave.
Until Further Notice 505 Madison St.
Madison Centre

SW corner of 5th & Madison
37-story office tower

Estimated completion: 2017
Intermittent sidewalk and curb lane closures on the east side of 5th Ave. between Madison St. and Marion St, on the south side of Madison St. from 5th east to the alley, and on the north side of Marion St. from 5th east to the alley.
Until Further Notice 811 5th Ave.
The Mark

NW corner of 5th & Columbia
43-story high rise tower

Estimated completion: April 2017
24/7 closure of sidewalk and curb lane on the west side of 5th Ave. between Marion St. and Columbia St, and on the north side of Columbia St. between 5th Ave. and 4th Ave.  Closure of west travel lane on 5th between Marion and Columbia during working hours.
Until Further Notice 204 Pine St.
2nd Ave. between Pine and Stewart
40-story apartment building
Opening: 2017
Construct 40-story tower.  Intermittent closure of sidewalk and curb lane on the east side of 2nd Ave. between Stewart St. and Pine St, and on the north side of Pine St. between 2nd Ave. and 3rd Ave.  The alley to the east will also be closed.
Until Further Notice
24/7
2301 6th Ave.

707 residential units with ground-floor retail.

Opening: 2015
Intermittent sidewalk, curb lane, and traffic lane closures on  the east side of 5th Ave. between Battery St. and Bell St, the south side of Battery St. between of 5th Ave. and 6th Ave, the north side of Bell St. between of 6th Ave. and 5th Ave, and the west side of 6th Ave. between Bell St. and Battery St.
Until Further Notice
24/7
2021 7th Ave.
2101 7th Ave.

Block 14 & 19
Intermittent sidewalk, curb lane, and traffic lane closures on 7th Ave. between Lenora St. and Westlake Ave, on Lenora St. between of 7th Ave. and 6th Ave, on 6th Ave. between Lenora St. and Virginia St, on Virginia St. between 6th Ave. and Westlake Ave, on Westlake Ave. between 7th Ave. and Westlake Ave, and on Blanchard St. between 6th Ave. and 7th Ave.
Until Further Notice 1901Western Ave.
MarketFront

Retail space and apartment building

Opening: 2017
Sidewalk, curb lane, and southbound travel lane on the west side of Western Ave, south of Pine St, closed for construction activities.
East Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 23 11PM
to
March 24 5AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. Thursday night to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 25 11:59PM
to
March 26 6AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. Saturday night to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 26 - 30
11PM - 5AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 nightly between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 31 11PM
to
April 3 5AM
SR520 closed in both directions between Bellevue and Montlake Blvd. All lanes and ramps of westbound and eastbound SR520 closed between 92nd Ave. NE in Bellevue and Montlake Blvd.  The bicycle and pedestrian path on the new floating bridge will also be closed.  Crews plan to use the closure to remove the temporary tolling gantries, continue progress on the West Approach Bridge North and conduct maintenance on some local Montlake streets.
January 9
to
Summer 2017
Seattle City Light Project -
E. Union St. Underground Conversions Project
A Seattle City Light contractor will be working in the Capitol Hill neighborhood to install underground electrical conduit, vaults and associated equipment in parts of E. Union St. from 10th to 11th Ave. This work is aligned with the City of Seattle's ordinance to underground power lines in this area.  Work is expected to last 5 months.
January 9
to
February 2017
Stage 1
On E. Union St, crews will work on one side of the street at a time during construction.  Customers can expect temporary travel lanes, parking restrictions, sidewalk and bike lane impacts within this work zone.  This phase of work is anticipated for completion in late-February 2017.
February 2017
to
March 2017
Stage 2
Crews are continuing their work for Stage 2 along East Union Street and 10th Ave.   Customers can expect temporary travel lanes, parking restrictions, sidewalk and bike lane impacts within this work zone.  This phase of work is anticipated for completion in March 2017.
mid-March 2017
to
April 2017
Stage 3
Stage 3 work will occur on 11th Ave. between E. Union St. and E. Madison St.   Customers can expect temporary travel lanes, parking restrictions, sidewalk and bike lane impacts within this work zone.  This phase of work is anticipated for completion in April 2017.
January 2015
Through
Summer 2017
WSDOT I-90 Two-Way Transit and HOV Operations - Stage 3 Project will add an HOV lane in each direction of the outer roadway between Seattle and Mercer Island; build an eastbound HOV direct access exit ramp at Island Crest Way on Mercer Island; Upgrade I-90 tunnels fire and life safety systems in Seattle and Mercer Island; prepare the center roadway for Sound Transit's 14-mile East Link rail extension from Seattle to Redmond.
Until further notice
9PM - 5AM
Intermittent nighttime lane closures on eastbound and westbound I-90 between I-5 and Bellevue during dowel bar retrofit.
March 24 - 27 Westbound I-90 reduced to one lane between Bellevue and Seattle.  Traffic will be detoured to the I-90 express lanes.
April 7 - 10 Eastbound I-90 reduced to one lane between Seattle and Bellevue.  Traffic will be detoured to the I-90 express lanes.
April 21 - 24 Westbound I-90 reduced to one lane between Bellevue and Seattle.  Traffic will be detoured to the I-90 express lanes.
May 5 - 8 Westbound I-90 reduced to one lane between Bellevue and Seattle.  Traffic will be detoured to the I-90 express lanes.
May 12 - 15 Eastbound I-90 reduced to one lane between Seattle and Bellevue.  Traffic will be detoured to the I-90 express lanes.
June 2015
to
Spring 2017
23rd Ave. Corridor Project
Phase 1 - S. Jackson St. to E. John St.
A Seattle Department of Transportation project that will improve safety and mobility for drivers, pedestrians and transit riders. The project includes: modifying 23rd Ave. from a four-lane street to a three-lane street - one lane in each direction with a center left-turn lane (key intersections will stay four lanes); repaving 23rd Ave;
widening sidewalks to at least five feet and repairing broken and buckling sidewalks; installing new streetlights; upgrading traffic signals to give transit priority at key locations; consolidating bus stops to improve transit speed; replacing a 100 year-old water main that runs underneath 23rd Ave. 
Zone A
June 2016
Work on 23rd Ave. between E. Yesler Wy. and E. Cherry St. is now restored to two-way traffic.  Some intermittent work is still required to complete work on Zone A, including additional sidewalk work, pole installation, electrical work, and landscaping.
Zone B
July 27 2016
Work on 23rd Ave. between E. Cherry St. and E. Union St. is now restored to two-way traffic.  Some intermittent work is still required to complete work on Zone B, including additional sidewalk work, pole installation, electrical work, and landscaping.
Zone C
June 1 2016
to
February 28 2017
Northbound and southbound traffic on 23rd Ave. between E. Union St. and E. John St. is now open.  King County Metro is expected to resume northbound Route 48 to 23rd Ave. on March 11th.
North Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
Until Further Notice 1301 Dexter Ave. N.
Leeward

296-unit apartment building

Opening: 2017
Intermittent sidewalk, parking lane, and bike lane closures on the west side of Dexter Ave. N. between Lee St. and Comstock St.
Northeast Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 20 - 23
11:59PM - 4AM
15 Minute rolling-slowdowns on southbound and northbound I-5 between Northgate and Mercer St. 15 Minute rolling-slowdowns on southbound and northbound I-5 between Northgate and Mercer St. while crews pull power lines across the freeway at NE 60th St.  Traffic will be fully stopped for up to 25 minutes intermittently during these hours.
March 23 11PM
to
March 24 5AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. Thursday night to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 25
9PM - 5AM
NE 100th St. closed at 1st Ave. NE Crews will close NE 100th St. at 1st Ave. NE while moving a crane and restriping the roadway.
March 25 11:59PM
to
March 26 6AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. Saturday night to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 26 - 30
11PM - 5AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 nightly between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 31 11PM
to
April 3 5AM
SR520 closed in both directions between Bellevue and Montlake Blvd. All lanes and ramps of westbound and eastbound SR520 closed between 92nd Ave. NE in Bellevue and Montlake Blvd.  The bicycle and pedestrian path on the new floating bridge will also be closed.  Crews plan to use the closure to remove the temporary tolling gantries, continue progress on the West Approach Bridge North and conduct maintenance on some local Montlake streets.
April 9
7PM - 12PM
Walk MS/Run MS Annual fundraiser starts and finishes at University of Washington.  Route will go out and back to Gas Works Park using the Burke-Gilman Trail and NE Northlake Way.
Until further notice Sound Transit
Northgate Link Extension Project
Northgate Station
Parking is temporarily removed on the west side of 1st Ave. NE between NE 92nd St. and NE 95th St.
Until further notice The North Seattle Park-and-Ride lot and interim Park-and-Ride lot located near the former Marie Callender's restaurant in Northgate will close Monday, March 17, 2016.  The new interim Park-and-Ride will be located at the NW corner of NE 103rd St. and 5th Ave. NE.
Until further notice Upcoming construction of the Northgate light rail station will occupy space in the Northgate Park-and-Ride (West).  Fencing will go up around the middle section of the West lot as early as Dec. 7, 2016.  To offset the loss of those stalls, the north end of the former North Seattle Park & Ride will reopen on the west side of 1st Ave NE between NE 100th and 103rd Streets. 
October 1
through
2019
Sound Transit
Northgate Link Extension Project
Roosevelt Station
NE 66th St. and NE 67th St. between 12th Ave. NE and Roosevelt Wy. NE closed to through traffic.  The sidewalk and parking lane on the west side of 12th Ave. NE between NE 65th St. and NE 68th St. will also be closed.
Through
2020
Sound Transit
Northgate Link Extension Project
University District Station
Brooklyn Ave. NE closed between NE 45th St. and NE 43rd St.  NE 43rd St. closed between Brooklyn Ave. NE and the alley to the west.  NE 43rd St. eastbound only between Brooklyn Ave. NE and the alley to the east.
September 2015
to
Summer 2017
SR520 West Approach Bridge North Project 24th Ave. E. overpass closed to pedestrians and bicyclists during project.
March 20 - 24
7AM - 5PM
Arboretum Trail on Foster Island closed for deck stripping.
March 20 - 23
March 27 - 30
April 3 - 6
9PM - 6AM
Westbound SR520 intermittently reduced to one lane at night between Bellevue and Montlake Blvd. during barrier placement. 
Northwest Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 25
10AM - 12:30PM
Magnolia Little League Season Kickoff Parade Annual Little League parade in Magnolia.
SODO Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 25 & 26
2PM - 5:30PM
Taste Washington At CenturyLink Field Event Center.
March 25
7PM - 9PM
Seattle Sounders vs. Club Necexa At CenturyLink Field.
March 31
7PM - 9PM
Seattle Sounders vs. Atlanta At CenturyLink Field.
April 7 7PM
to
April 10 5AM
4th Ave. S. closed between S. Washington St. and Dilling Way Crews will close 4th Ave. S. between S. Washington St. and Dilling Way during roadway restoration work.
April 8
6:30PM - 10PM
Supercross At CenturyLink Field.  Doors open/Practice & Qualifying at 12:30PM.  Main event begins at 6:30PM.
April 10 - 12 Seattle Mariners vs. Houston Astros Mariners 2017 home opening series at Safeco Field.  Opening Day is Monday, April 10th at 2:10PM.
May 2016
to
Fall 2017
24/7
Yesler Bridge Rehabilitation Project The Seattle Department of Transportation will be rehabilitating the Yesler Way Bridge, located at the intersection of Yesler Way and Terrace St over 4th Ave S, starting as soon as May 2016 and lasting through fall 2017.  Traffic impacts will include: Yesler Way closed in both directions between 3rd Ave. and midway between 5th Ave. and 6th Ave; Terrace St. closed to through traffic, open to local access; 4th Ave. will have ongoing lane closures and occasional full nighttime and weekend closures; sidewalks on either side of 4th Ave. will have alternating closures; transit and bicycle detours in the project area.
January 3
through
April 2017
24/7
Crews will close the sidewalk on the east side of 4th Ave S. between S. Washington St. and Jefferson St. during widening of the bridge footings, and installation of a large electrical utility vault next to the eastern bridge abutment.  A signed detour will be in place.
March 20 - 24
April 3 - 7
24/7
Crews will close the east-middle travel lane on 4th Ave. S. between S. Washington St. and Dilling Way during sidewalk and bridge work.
Until further notice
24/7
Elliott Bay Seawall Project Traffic on Alaskan Wy. S./Alaskan Wy. will be shifted to beneath the Viaduct between S. King St. and Pike St.  Traffic will also be shifted to the east side of Alaskan Wy. between Pike St. and Virginia St.
Until further notice
24/7
As seawall construction expands to the area adjacent to Colman Dock, ferry access for bicyclists and vehicles will shift to Yesler Wy.  Pedestrian access will be maintained via the Marion St. pedestrian bridge, and at street-level between Marion and Columbia St.
Until further notice
24/7
The Marion St. driveway at the Colman Dock shifts north, between Marion St. and Madison St.  During this time most vehicles will exit Colman Dock at Yesler Wy.  All trucks over 30' must exit at Yesler Wy.  Vehicular traffic directed to exit at the Marion St. driveway will turn right or left onto Alaskan Wy.  
October 5 2015
to
June 30 2016
Construction resumes on the waterfront between University St. and Madison St.
January 4
to
mid-2017
Seawall construction begins between Pine and Pike Streets.  Impacts include: removal of on-street parking and trees between Virginia St. and Pike St; removal of the sidewalk on the west side of street; installation of a water treatment facility at Virginia St. and Alaskan Wy.  Access to the Seattle Aquarium, Waterfront Park, and businesses will remain open.
Until Further Notice SR 99 Tunnel Project Parking under the Alaskan Way Viaduct is permanently closed between S King St and Pike St.
Until Further Notice Alaskan Way S.  is closed between S Atlantic St and Madison St until further notice.  Two-way traffic has been re-routed under the Alaskan Way Viaduct and Railroad Way S via 1st Ave S.
Until the SR 99 Tunnel opens to traffic 6th Ave N is closed between Thomas St and Republican St.  Harrison St is closed between Aurora Ave N and Broad St.  Republican St is closed between Aurora Ave N and 6th Ave N.
February 17
to
late-April
Seattle City Light Project -
S. Washington St. Reliability Upgrade Project
Lane, parking, and pedestrian restrictions on S. Washington St. between 1st Ave. S. and Occidental Ave. S. during replacement of existing underground electrical conduits.  During work in the 1st & Washington intersection, crews will alternately close the northbound or southbound lanes of traffic on 1st Ave. S. (one lane of traffic in each direction will be maintained at all times). Work hours are 9AM to 3PM weekdays, and 9AM to 6PM weekdays.
Until Further Notice
24/7
255 S. King St.
(North Lot of CenturyLink Field)

23-story hotel tower (282 rooms) and an 18-story office tower  with retail and parking

Estimated completion: Mid-2017
Construct two towers connected by podium for hotel, office, convention center, parking garage and retail space.
Until Further Notice
24/7
450 Alaskan Way S.

8-story office building

Estimated completion: Q3 2017
Construct 8-story office building with ground floor retail.  Intermittent sidewalk, parking lane, and travel lane closures on  the north side of S. King St. between Alaskan Way S. and 1st Ave. S.
Until Further Notice
24/7
589 Occidental Ave. S.
Gridiron Condominiums

11-story/107 units

Estimated completion: Summer 2017
Construct 11-story condominiums with ground floor retail.  Intermittent sidewalk, parking lane, and travel lane closures on  the north side of Railroad Way S. between 1st Ave. S. and Occidental Ave. S, and the west side of Occidental Ave. S, north of Railroad Way S.
West Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
 
South Seattle Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 24 11PM
to
March 27 5AM
Westbound I-90 reduced to one lane between Bellevue and Seattle Westbound I-90 reduced to one lane; traffic detoured to express lanes.  In addition, the eastbound I-90 exits to northbound and southbound Rainier Ave. S. will also be closed.
April 1
6:30AM - 11:30AM
Southbound lane closures on 1st Ave. S. Bridge Crews will close two southbound left lanes on the 1st Ave. S. Bridge during bridge maintenance.  Two southbound lanes will remain open.
April 7 11PM
to
April 10 5AM
Eastbound I-90 reduced to one lane between Seattle and Bellevue Eastbound I-90 reduced to one lane; traffic detoured to express lanes.  In addition, the northbound and southbound Rainier Ave. S. on-ramps to eastbound I-90 will also be closed.
South Lake Union Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 23
7:30PM - 11PM
Ariana Grande concert At KeyArena.
March 23 - 25
7:30PM - 10PM
Director's Choice Presented by PNB At McCaw Hall.
March 24
10:30AM - 12PM
Student Matinee of Hansel and Gretel Presented by PNB At McCaw Hall.
March 25
3:30PM - 5PM
Hansel and Gretel Presented by PNB At McCaw Hall.
March 26
1PM - 3PM
Director's Choice Presented by PNB At McCaw Hall.
March 28
7PM - 10PM
Chris Stapleton concert At KeyArena.
March 30 or 31
9PM - 7AM
Southbound Aurora Ave. N. closed between Valley St. and Thomas St. Crews will close southbound Aurora Ave. N. between Valley St. and Thomas St. while striping a new right-turn lane to Harrison St.
March 31
8PM - 11PM
Game of Thrones Live Concert Experience At KeyArena.
April 1
11AM - 3PM
March for Health SPD will escort march from Westlake Park to Seattle Center via 4th Ave.
April 8
7:30PM - 10PM
Radiohead concert At KeyArena.
Stage 1
February 29
to
Fall 2016
Denny Network project Construction of the Denny substation network will begin on Minor Avenue and on Stewart Street. The contractor plans to begin by installing two large vaults – one on Minor Avenue and one on Stewart Street just south of Minor Avenue. They then plan to connect the vaults with underground duct banks. Work will proceed in this manner down Stewart Street to 6th Avenue. This stage of work is expected to be complete in the third quarter of 2016.
March 13
to
April 9
24/7
Northbound Minor Ave. closed between Stewart St. and Virginia St. during pavement restoration work.
March 6
to
April 7
8PM - 4AM
weekdays
Eastbound Virginia St. reduced to one lane between 7th Ave. and 8th Ave. during the installation of a new duct bank.
January 9
to
April 2
24/7
7th Ave. reduced to one lane between Lenora St. and Westlake Ave. for staging equipment and duct bank installation.
March 2
to
April 2
24/7
6th Ave. reduced to one lane between Virginia St. and Lenora St. during the installation of a new electrical vault.
March 8 - 21
24/7
Thomas St. closed between Westlake Ave. N. and 9th Ave. N. during the installation of a new electrical vault.
February 27
to
April 2
24/7
Westbound Thomas St. closed between Westlake Ave. N. and Terry Ave. N. during the installation of a new electrical vault.
March 20
to
April 2
7AM - 3PM
weekdays
Westbound Harrison St. closed between Fairview Ave. N. and Minor Ave. N. during the installation of a new electrical duct bank.
March 20
to
April 2
24/7
Southbound Pontius Ave. N. closed between Thomas St. and John St. during the installation of a new electrical duct bank.
April 4, 2016 Denny Substation project Pontius Ave. N. permanently closed between Denny Way and John St.
Until further notice
24/7
Crews continue excavating and hauling inside the substation work site. Work hours are 7AM to 7PM weekdays, and 9AM to 5PM Saturday.
February 28
to
March 26
24/7
The south half of Minor Ave. N. closed between Denny Way and John St. during underground utility work.  Local Access will be maintained from John St.
March 13 - 26
24/7
The south sidewalk and curb lane on John St. between Minor Ave. N. and Yale Ave. N. closed 24/7 for material and equipment staging.
Until Further Notice SR 99 Tunnel Project Parking under the Alaskan Way Viaduct is permanently closed between S King St and Pike St.
Until Further Notice Alaskan Way S.  is closed between S Atlantic St and Madison St until further notice.  Two-way traffic has been re-routed under the Alaskan Way Viaduct and Railroad Way S via 1st Ave S.
Until the SR 99 Tunnel opens to traffic 6th Ave N is closed between Thomas St and Republican St.  Harrison St is closed between Aurora Ave N and Broad St.  Republican St is closed between Aurora Ave N and 6th Ave N.
Mid-January
to
Spring 2017
Seattle City Light Project -
Harrison St. Electrical Improvements Project
Seattle City Light is working to increase the reliability of the electrical system in the South Lake Union neighborhood by excavating for new electrical vaults and a conduit (duct bank). This work will be done in four stages
January 9
to
early-March 2017
Stage 1
Crews will be breaking street pavement on Harrison St. between Dexter Ave. N. and 8th Ave. N. to install the new electrical vault and conduit. During construction, Harrison St. will be closed to all westbound traffic from Dexter Ave. N. to 8th Ave. N, but open to all eastbound traffic.
24/7
Until further notice
WSDOT North Access Project Sidewalk on east and west side of Aurora Ave. N. closed between Harrison St. and Mercer St.
24/7
Until further notice
Republican St. closed between Aurora Ave. N. and Dexter Ave. N.  Local Access from Dexter Ave. N. to alley only.
Until Further Notice
24/7
400 Dexter Ave. N.

11-story office building with ground floor commercial space

Opening: 2017
Intermittent sidewalk, curb lane, and traffic lane closures on the east side of Dexter Ave. N. between Republican St. and Harrison St, on the south side of Republican from Dexter Ave. N. east to the alley, and on the north side of Harrison St. from Dexter Ave. N. east to the alley.
Until Further Notice
24/7
435 Dexter Ave. N.

294 unit apartment building in a 7-story building

Opening: 2017
Intermittent sidewalk, curb lane, and traffic lane closures on the west side of Dexter Ave. N. between Republican St. and Harrison St.
Until Further Notice
24/7
222 Fairview Ave. N.

7-story apartment building with retail space

Opening: 2017
Intermittent sidewalk, curb lane, and traffic lane closures on the east side of Fairview Ave. N. between Thomas St. and John St., the north side of John St. east of Fairview Ave. N, and the south side of Thomas St. east of Fairview Ave. N.
Until Further Notice
24/7
221 Minor Ave. N.

7-story apartment building with retail space

Opening: 2017
Intermittent sidewalk, curb lane, and traffic lane closures on the west side of Minor Ave. N. between Thomas St. and John St., the north side of John St. west of Minor Ave. N, and the south side of Thomas St. west of Minor Ave. N.
Until Further Notice
24/7
300 Boren Ave. N. - Troy Block

Two office building with retail space and underground parking

Opening: 2017
Intermittent sidewalk, curb lane, and traffic lane closures on the streets bounded by project: Fairview Ave. N, Thomas St, Boren Ave. N, and Harrison St.
Until Further Notice
24/7
400 Fairview Ave. N.

13 floor office building with ground-floor retail and 5 floors of underground parking.

Opening: 2017
Intermittent sidewalk, curb lane, and traffic lane closures on  the east side of Fairview Ave. N. between Republican St. and Harrison St, on the south side of Republican east of Fairview, and on the north side of Harrison east of Fairview.
Until Further Notice
24/7
501 Fairview Ave. N. - Urban Union

12-story office and retail space, with parking for 375 vehicles

Opening: 2016
Intermittent sidewalk, curb lane, and traffic lane closures on  the west side of Fairview Ave. N. north of Republican St, and the north side of Republican St. west of Fairview Ave. N.
SR 99 Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 30 or 31
9PM - 7AM
Southbound Aurora Ave. N. closed between Valley St. and Thomas St. Crews will close southbound Aurora Ave. N. between Valley St. and Thomas St. while striping a new right-turn lane to Harrison St.
April 1
6:30AM - 11:30AM
Southbound lane closures on 1st Ave. S. Bridge Crews will close two southbound left lanes on the 1st Ave. S. Bridge during bridge maintenance.  Two southbound lanes will remain open.
Until Further Notice SR 99 Tunnel Project Parking under the Alaskan Way Viaduct is permanently closed between S King St and Pike St.
Until Further Notice Alaskan Way S.  is closed between S Atlantic St and Madison St until further notice.  Two-way traffic has been re-routed under the Alaskan Way Viaduct and Railroad Way S via 1st Ave S.
Until the SR 99 Tunnel opens to traffic 6th Ave N is closed between Thomas St and Republican St.  Harrison St is closed between Aurora Ave N and Broad St.  Republican St is closed between Aurora Ave N and 6th Ave N.
24/7
Until further notice
WSDOT North Access Project Sidewalk on east and west side of Aurora Ave. N. closed between Harrison St. and Mercer St.
24/7
Until further notice
Republican St. closed between Aurora Ave. N. and Dexter Ave. N.  Local Access from Dexter Ave. N. to alley only.
I-5 / I-90 / SR520 Planned Construction / Events
Date(s) and Times Project Name / Agency Description of Traffic Impacts
March 20 - 23
11:59PM - 4AM
15 Minute rolling-slowdowns on southbound and northbound I-5 between Northgate and Mercer St. 15 Minute rolling-slowdowns on southbound and northbound I-5 between Northgate and Mercer St. while crews pull power lines across the freeway at NE 60th St.  Traffic will be fully stopped for up to 25 minutes intermittently during these hours.
March 23 11PM
to
March 24 5AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. Thursday night to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 24 11PM
to
March 27 5AM
Westbound I-90 reduced to one lane between Bellevue and Seattle Westbound I-90 reduced to one lane; traffic detoured to express lanes.  In addition, the eastbound I-90 exits to northbound and southbound Rainier Ave. S. will also be closed.
March 24 & 25
11PM - 1:30PM
I-5 Express Lanes closed Crews will close the I-5 Express Lanes between Northgate and Downtown Seattle during roadway maintenance (Express Lanes will open at 1:45PM Saturday and Sunday in the northbound direction).  In addition, the Mercer St. on-ramp to northbound I-5 will be reduced to one lane.
March 25 11:59PM
to
March 26 6AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. Saturday night to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 26 - 30
11PM - 5AM
Eastbound SR520 closed between Montlake Blvd. and the on-ramp from Lake Washington Blvd. E. Crews will close eastbound SR520 nightly between Montlake Blvd. and the eastbound SR520 on-ramp from Lake Washington Blvd. E. to remove sections of the old off-ramp and the "Ramps to Nowhere".
March 31 &
April 1
11PM - 11AM
I-5 Express Lanes closed Crews will close the I-5 Express Lanes between Northgate and Downtown Seattle during roadway maintenance.  Express Lanes will open at 11AM Saturday and Sunday in the southbound direction.
March 31 11PM
to
April 3 5AM
SR520 closed in both directions between Bellevue and Montlake Blvd. All lanes and ramps of westbound and eastbound SR520 closed between 92nd Ave. NE in Bellevue and Montlake Blvd.  The bicycle and pedestrian path on the new floating bridge will also be closed.  Crews plan to use the closure to remove the temporary tolling gantries, continue progress on the West Approach Bridge North and conduct maintenance on some local Montlake streets.
April 1
6:30AM - 11:30AM
Southbound lane closures on 1st Ave. S. Bridge Crews will close two southbound left lanes on the 1st Ave. S. Bridge during bridge maintenance.  Two southbound lanes will remain open.
April 7 11PM
to
April 10 5AM
Eastbound I-90 reduced to one lane between Seattle and Bellevue Eastbound I-90 reduced to one lane; traffic detoured to express lanes.  In addition, the northbound and southbound Rainier Ave. S. on-ramps to eastbound I-90 will also be closed.
January 2015
Through
Summer 2017
WSDOT I-90 Two-Way Transit and HOV Operations - Stage 3 Project will add an HOV lane in each direction of the outer roadway between Seattle and Mercer Island; build an eastbound HOV direct access exit ramp at Island Crest Way on Mercer Island; Upgrade I-90 tunnels fire and life safety systems in Seattle and Mercer Island; prepare the center roadway for Sound Transit's 14-mile East Link rail extension from Seattle to Redmond.
Until further notice
9PM - 5AM
Intermittent nighttime lane closures on eastbound and westbound I-90 between I-5 and Bellevue during dowel bar retrofit.
March 24 - 27 Westbound I-90 reduced to one lane between Bellevue and Seattle.  Traffic will be detoured to the I-90 express lanes.
April 7 - 10 Eastbound I-90 reduced to one lane between Seattle and Bellevue.  Traffic will be detoured to the I-90 express lanes.
April 21 - 24 Westbound I-90 reduced to one lane between Bellevue and Seattle.  Traffic will be detoured to the I-90 express lanes.
May 5 - 8 Westbound I-90 reduced to one lane between Bellevue and Seattle.  Traffic will be detoured to the I-90 express lanes.
May 12 - 15 Eastbound I-90 reduced to one lane between Seattle and Bellevue.  Traffic will be detoured to the I-90 express lanes.
September 2015
to
Summer 2017
SR520 West Approach Bridge North Project 24th Ave. E. overpass closed to pedestrians and bicyclists during project.
March 20 - 24
7AM - 5PM
Arboretum Trail on Foster Island closed for deck stripping.
March 20 - 23
March 27 - 30
April 3 - 6
9PM - 6AM
Westbound SR520 intermittently reduced to one lane at night between Bellevue and Montlake Blvd. during barrier placement. 




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