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Mercer Alert: Taylor Ave N and Dexter Ave N impacted by Mercer Corridor work starting Monday

August 6th, 2014 by Laura

There are a several upcoming changes to traffic patterns around Mercer St, as part of the ongoing Mercer Corridor Project. One closure affects Taylor Ave N, another Dexter Ave N – both where they meet Mercer and the surrounding blocks.

Here are the details from SDOT:

Taylor Ave N Closure – week of August 11th:
Starting as early as Monday, August 11th, Taylor Ave North will be closed to through traffic between Roy and Mercer streets. This closure is scheduled to accommodate water main installations on the north side of Mercer Street. The official start date and time for this closure will be released in the coming days (watch for the Weekend Roundup, we may have info by then).

Expect the following impacts:

  • Turns from Mercer to Taylor Ave N will be prohibited.
  • Turns from Taylor Ave N to Mercer will also be prohibited.
  • Local traffic and pedestrians, including vehicles entering and exiting the QFC parking garage, will have access to and from from Roy Street.

Dexter Ave N Turn & Bicycle Lanes Closures – August 11-15
From 9am-3pm, Monday, August 11 through Friday, August 15, turning lanes and bicycle lanes on Dexter Ave N will be restricted between Roy and Republican streets to accommodate electrical ductbank work. Signs will be posted and bicyclists will be directed to merge with traffic.

Expect the following impacts:

  • One lane in each direction on Dexter Ave N will remain open at all times. Uniformed police officers will be positioned at the intersection of Mercer and Dexter to direct traffic.
  • The northbound and southbound bicycle lanes on Dexter Ave N between Roy and Republican will be closed 9am-3pm from Monday, August 11 until Friday, August 15.

Mercer Closures Aug 11

Mercer Street New Configuration – mid-August start date
Beginning in mid-August, drivers will notice a shift in the configuration of Mercer as it crosses Dexter Ave N. Mercer will be shifted south to allow for demolition of the bridge over Broad Street and utility work through the intersection. Turning movements and the number of eastbound and westbound lanes will remain unchanged.

Stay tuned for more details as these and other traffic pattern changes are finalized in the next few days.

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Mercer Alert: Broad Street permanently closes, Mercer expands two-way coverage

May 30th, 2014 by Laura

Heads up, there are more changes to the roadways beginning this weekend. Starting Sunday evening (June 1), Broad St will be permanently closed to traffic between 5th Ave N and 9 Ave N. Plus, Mercer becomes two-way between 5th Ave N and 9th Ave N, and this weekend also brings a closure to the intersection of Queen Anne Ave N and Roy St.

SDOT warns that the closure will “create significant traffic disruptions along the Mercer Corridor. Motorists are advised to use alternate routes and expect lengthy travel delays due to the Broad Street closure and drivers adjusting to two-way operations on Mercer Street.”

Here are the details from SDOT:

Broad Street permanently closing

  • Beginning the evening of Sunday, June 1, Broad Street will permanently close to traffic between 9th Ave N and 5th Ave N
  • The permanent closure of Broad Street is necessary to allow for additional construction associated with the Mercer Corridor Project and WSDOT’s Alaskan Way Viaduct Replacement Project

New traffic patterns begin Monday, June 2
Beginning Monday morning, June 2:

  • Mercer Street will have two lanes in each direction between Queen Anne Ave N and 9th Ave N
  • Access to Seattle Center and Queen Anne will be a direct route via westbound Mercer from I-5
  • Roy St will have one lane in each direction between Queen Anne Ave N and 5th Ave N
  • Queen Anne Ave N will have one northbound lane and two southbound lanes between Roy and Mercer Streets
  • Left turns from westbound Mercer onto southbound 5th Ave N will be available
  • Left turns from eastbound Mercer onto northbound Dexter Ave N will not be allowed for approximately one year
  • Access to northbound SR 99 from eastbound Mercer will be via southbound Dexter Ave N onto westbound Thomas St

Broad Street closure

Closure of northbound Queen Anne Avenue N at Roy Street: May 31 – June 1
Beginning Saturday, May 31 at 4am through Sunday, June 1 at 5am, access to northbound Queen Anne Ave N will be fully closed to traffic from Roy St to accommodate roadway striping and final two-way signal conversion. During the closure:

  • Access to northbound Queen Anne Ave N will be closed to traffic at Roy St
  • Travelers heading north from westbound Roy will be detoured onto southbound  Queen Anne Ave N and then right onto Mercer to proceed north on 2nd Ave W
  • Travelers from Downtown should use 1st Ave N to westbound Mercer St and 2nd Ave W or 5th Ave N and Taylor Ave N to access Queen Anne
  • Southbound Queen Anne Ave N will be reduced to two lanes between Roy and Mercer streets
  • Access to Queen Anne Ave N from eastbound Roy will be closed. Turns onto westbound Roy from southbound Queen Anne Ave N will not be allowed.

Mercer May 31-June 1

Mercer Street between Fifth Avenue N and Ninth Avenue N converting to two-way traffic June 1 – 2:

  • On Sunday, June 1 at 1pm following the Race for the Cure, crews will begin converting the final section of Mercer to two-way traffic between 5th Ave N and N and permanently closing Broad St. During the conversion:
  • Mercer will be fully closed to traffic between 5th Ave N and 9th Ave N. As intersections are converted to two-way traffic, roadways will be re-opened.
  • Denny Way and First Avenue N will remain fully open.

Mercer June 1 and June 2

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Mercer Alert: Weekend closure of eastbound Mercer, 5th Ave N, and 9th Ave N

February 22nd, 2014 by Laura

It’s starting to seem like déjà vu, but it’s not – here’s your weekly update on Mercer corridor work closures this weekend, from 4am Saturday, February 22 through 5am Monday, February 24.

Per SDOT:

Eastbound Mercer Street closure: Eastbound Mercer Street between Fifth Avenue N and Dexter Avenue N will be fully closed to traffic for underground utility work.

  • Travelers heading east from Fifth Avenue N should take Harrison Street to eastbound Broad Street to reconnect with Mercer Street at Ninth Avenue North.
  • Eastbound Mercer Street will be reduced to one lane between Dexter Avenue N and Ninth Avenue N.
  • The sidewalk on the north side of Mercer Street between Fifth Avenue N and Dexter Avenue N will be closed. Pedestrians will be detoured to Broad Street.
  • Mercer Street between I-5 and Broad Street, Broad Street, Dexter Avenue N, SR 99 and the I-5 on- and off-ramps at Mercer Street will remain open.

Fifth Avenue N and Roy Street lane closures: Fifth Avenue N will be restricted between Valley and Republican streets to accommodate underground utility work.

  • One lane on Fifth Avenue N in each direction and one lane of Roy Street will remain open at all times.
  • Parking adjacent to the work zone will be restricted.
  • Local access to businesses and properties will be maintained at all times.
  • Uniformed police officers will be stationed throughout the work zone on Fifth Avenue N to facilitate traffic flow.
  • Travelers heading towards Queen Anne and the Seattle Center from I-5 or downtown should use westbound Broad Street or Denny Way and northbound First Avenue N as alternate routes.
  • Travelers heading toward I-5 or downtown from Queen Anne should use southbound Queen Anne Avenue N and eastbound Denny Way or southbound First Avenue N as alternate routes.

Southbound Ninth Avenue N closure between Mercer and Republican streets:

  • Travelers heading southbound on Ninth Avenue N will be required to turn left onto eastbound Mercer Street.
  • One lane of northbound Ninth Avenue N between Mercer and Republican streets will be maintained at all times.
  • Travelers should expect potential delays and use Westlake Avenue N and other alternate routes when available.

Mercer Closure 022214

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Mercer Alert: Full weekend closure of Mercer eastbound and southbound 5th Ave N

February 15th, 2014 by Laura

Reminder – this weekend brings another full weekend closure of eastbound Mercer St and southbound 5th Ave N. Closures begin at 4am Saturday, February 15 an run through 5am Monday, February 17.

Per SDOT:

  • Eastbound Mercer will be fully closed to traffic between 5th A N and Dexter Ave N
  • Travelers heading east from 5th Ave N should take Harrison St to eastbound Broad St to reconnect with Mercer at 9th Ave N
  • Southbound 5th Ave N will be fully closed to traffic between Roy and Mercer Travelers heading south on 5th Ave N will be detoured to westbound Roy Street and 4th Ave N to reconnect with 5th Ave N via eastbound Mercer
  • 5th Ave N will have lane restrictions between Mercer and Harrison streets – one southbound lane and one northbound lane on 5th Ave N will be restricted
  • Travelers heading toward I-5 or downtown from Queen Anne should use Queen Anne Ave N
  • The sidewalk on the north side of Mercer between 5th Ave N and Dexter Ave N will be closed – pedestrians will be detoured to Broad Street.
  • Mercer between I-5 and Broad St, Broad St, Dexter Ave N, Aurora/SR 99 and the I-5 on- and off-ramps at Mercer will remain open during the weekend work.

Click the map below for a larger (pdf) image:

Mercer 021514 map

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Mercer Alert: Eastbound Mercer traffic shift begins Thursday; full closure this weekend

February 6th, 2014 by Laura

As part of the continuing work on the Mercer corridor, SDOT will be shifting Mercer traffic to one lane between 5th Ave N and Dexter Ave N tomorrow, Thursday, February 6th. This shift will be in place for “approximately four months” – after which Mercer will be opened to two-way traffic.

Plus, this weekend there’s a planned full closure of Mercer Street and 5th Ave N, from Saturday, February 8th through Monday, February 10th.

Here are the details from SDOT on the traffic shift:

  • The morning of Thursday, February 6, traffic on eastbound Mercer Street between 5th Ave N and Dexter Ave N will be shifted one lane north in order to facilitate construction activities on the south side of the roadway
  • Two eastbound lanes will be maintained on Mercer Street through the work zone
  • Pedestrians and bicyclists will be shifted from the south side of Mercer Street to a temporary asphalt path on the north side of Mercer between 5th Ave N and Dexter Ave N
  • No pedestrian access will be allowed on the south side of Mercer Street

Mercer 020614 map

Information information on pedestrian and bicycle access during construction is available online.

And, here’s the information on the full weekend closure:

  • Closure in effect from 4am Saturday, February 8 through 5am Monday, February 10
  • Eastbound Mercer between 5th Ave N and 9th Ave N, and southbound 5th Ave N between Roy and Mercer streets will be fully closed to traffic for demolition of the old SR 99 bridge footings and utility work beneath the roadway
  • The sidewalk on Mercer Street will also be closed between 5th Ave and Dexter Ave N – pedestrians will be detoured to Broad Street
  • Mercer Street between Broad Street and I-5, Broad Street, Dexter Ave N, SR 99/Aurora and the I-5 on- and off-ramps at Mercer Street will remain open during the weekend work

Mercer 020814 closure

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Mercer Alert: Full closure next weekend plus weeknight closures through December 20th

December 7th, 2013 by Laura

Are we having fun yet? If you happened to get stuck in this weekend’s traffic around Lower Queen Anne as well as up and over Upper Queen Anne (Taylor was a non-stop stream of cars heading uphill this evening) – brace yourself.

MercerWestRendering

Stuck in Mercer traffic?
Take a deep breath and envision the future…

Not only will the same eastbound Mercer and 99/Aurora closures be in effect next weekend (unless SDOT and WSDOT have pity on us and cancel them until after the holidays…), but we also have weekday Mercer closures all this week and next week too.

That’s right. Mercer messiness right up through December 20th. Not such bad news for those holiday shopping procrastinators, but those going to PNB’s Nutcracker and other events at Seattle Center will be impacted, not to mention all of us who live in the neighborhood.

The nighttime lane restrictions will be in effect from 9pm to 5am weekday evenings from Monday, December 9th through Friday, December 2oth (with a full eastbound Mercer closure next weekend). Two lanes on eastbound Mercer Street will be re-opened to traffic during the day.

Here’s the rundown from SDOT – click the dates to see the detour routes. Uh… Happy Holidays?

Dec. 9-13: Eastbound Mercer Street lane restriction at 5th Avenue North
Beginning the evening of Monday, Dec. 9, eastbound traffic on Mercer Street between 4th and 5th Avenues will be restricted to one lane during the night as crews work to install an underground storm water detention system under the roadway.

  • Eastbound traffic on Mercer Street will be required to turn right on 5th Ave N and re-connect to eastbound Mercer via Harrison and eastbound Broad streets.
  • Northbound and southbound 5th Ave N will remain open to traffic.
  • Mercer Street east of 5th Ave N will remain open to traffic.

Dec. 16-20: Eastbound Mercer Street closed between 5th Ave N and Dexter Ave N
Beginning the evening of Monday, Dec. 16, eastbound Mercer Street between 5th Ave N and Dexter Ave N will be fully closed to traffic during the night as crews continue to install an underground storm water detention system and lateral storm water connection lines under the roadway.

  • Mercer Street east of 5th Ave N to Dexter Ave N will be fully closed to traffic.
  • Traffic on eastbound Mercer Street will be required to turn right on 5th Ave N and re-connect to eastbound Mercer via Harrison and eastbound Broad streets.
  • Northbound and southbound 5th Ave N will remain open to traffic.
  • Access to Mercer Street from southbound 5th Ave N will be via Harrison and eastbound Broad streets.
  • The sidewalk on Mercer Street will also be closed between 5th Ave N and Dexter Ave N. Pedestrians will be detoured to Broad Street.

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Plan ahead for Mercer and Aurora closures this weekend and next

December 5th, 2013 by Laura

As part of the ongoing Mercer Corridor Project, there is a full weekend closure of Aurora/99 and eastbound Mercer Street beginning tomorrow, Friday, December 6 at 11:59 pm through 5am Monday, December 9.

Mercer Corridor Project logoPlus, you can plan even further ahead as the same closures will be in place next weekend from Friday, December 13 at 11:59 pm through 5am Monday, December 16.

The closures are necessary for the completion of Mercer Street widening and SR 99 bridge replacement work, all in preparation for the Bored Tunnel North Portal in June 2014.

Per SDOT: please note that work is weather dependent and may be cancelled and rescheduled for later dates if inclement weather occurs. (so far, it looks like it’ll just be cold)

SDOT details on this weekend’s closure:

  • SR 99 will be fully closed to traffic between Valley Street and the southern end of the Battery Street Tunnel. Traffic traveling through Seattle via SR 99 will be directed to I-5 in northern Seattle at 85th Street or in southern Seattle at E Marginal Way and Spokane Street. More information about alternate routes during construction may be found online
  • Eastbound Mercer Street will be fully closed to traffic between Fifth Avenue N and Dexter Avenue N. Traffic heading east toward I-5 from Queen Anne will be detoured to eastbound Broad Street via Harrison Street and will reconnect to Mercer Street at Ninth Avenue N to continue towards the I-5 ramps at Mercer Street.
  • The sidewalk on Mercer Street will also be closed between Fifth Avenue N and Dexter Avenue N. Pedestrians will be detoured to Broad Street.
  • Broad Street and the I-5 on- and off-ramps at Mercer Street and westbound Mercer Street will remain open during the weekend work.
  • Access to Seattle Center from I-5 via westbound Mercer and Broad streets and from southbound SR 99 at Valley Street will be open through the weekend.

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Mercer Alert: Nightime closure of Mercer and 99 Tuesday and Wednesday

September 16th, 2013 by Laura

Mercer Corridor Project logoRemember the Mercer/99 closure that was cancelled due to weather? Well, it’s back on for tomorrow night (Tuesday, September 17) and Wednesday night (September 18).

SDOT is planning a nighttime closure of northbound SR 99/Aurora and Mercer Street between 5th Ave N and Ninth Ave N for Tuesday, September 17, and an additional nighttime closure for Mercer on Wednesday, September 18.

Tuesday, September 17

  • Northbound SR 99 and Mercer St will be fully closed to traffic beginning Tuesday, September 17 at 10pm through Wednesday, September 18 at 5:30am.
  • Northbound SR 99 will be fully closed between the southern end of the Battery St Tunnel and Valley St.
  • Mercer St will be fully closed to traffic between 5th Ave N and 9th Ave N.
  • No pedestrian access will be allowed on Mercer St between 5th Ave N and Dexter Ave N during the closure. Pedestrians will need to use the sidewalk on the north side of Broad Street to cross SR 99.
  • Southbound SR 99, Broad Street, and the I-5 on- and off-ramps at Mercer will remain open.

Wednesday, September 18

  • Mercer Street will be fully closed to traffic beginning Wednesday, September 18, at 10pm through Thursday, September 19 at 5:30am.
  • Mercer St will be fully closed to traffic between 5th Ave N and Dexter Ave N.
  • No pedestrian access will be allowed on Mercer St between 5th Ave N and Dexter Ave N during the closure. Pedestrians will need to use the sidewalk on the north side of Broad Street to cross SR 99.
  • Westbound Mercer St, Broad St, and the I-5 on- and off-ramps at Mercer St will remain open.

Per SDOT, expect significant traffic and delays; plan ahead and use alternate routes.

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CANCELLED: Mercer Alert: northbound 99/Aurora and eastbound Mercer closure starts tonight

September 6th, 2013 by Laura

Update: due to weather impacts, SDOT has cancelled tonight’s Aurora and Mercer closures. Expect them to be rescheduled to mid-September.

SDOT will be closing northbound 99/Aurora and eastbound Mercer St starting Friday, September 6th at 11pm. Both routes will reopen by 2pm on Saturday, September 7th.

Details from SDOT:

  • Northbound 99/Aurora and eastbound Mercer Street will be fully closed to traffic 11pm Friday, September 6 through 2pm Saturday, September 7
  • Northbound 99/Aurora will be closed between the southern end of the Battery Street Tunnel and Valley Street
  • Mercer will be fully closed to traffic between 5th Ave N and Dexter Ave N
  • Eastbound Mercer will be fully closed to traffic between Dexter Ave N and 9th Ave N until approximately 9am Saturday morning
  • No pedestrian access will be allowed on Mercer between 5th Ave N and Dexter Ave N during the closure. Pedestrians will need to use the sidewalk on the north side of Broad Street to cross 99/Aurora
  • Southbound 99/Aurora, westbound Mercer, Broad St, and the I-5 on- and off-ramps at Mercer Street will remain open

SDOT advises that drivers “can expect significant traffic and delays and should plan ahead and use alternate routes.”

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Mercer madness begins this weekend

May 15th, 2013 by Laura

As part of the West Phase of the Mercer Corridor Project, a large portion of Aurora/99 and part of Mercer Street will be closed starting 11pm Friday, May 17 through 5am Monday, May 20. Then, beginning Monday, travel along and around Mercer will change. Expect “significant delays” for the weekend,and “major” Mercer and Aurora/99 impacts beyond the weekend.

The run-down on the closure and the aftermath are as follows from SDOT:

Mercer 99 ClosureWeekend closure:

  • Aurora/99 will be fully closed between Valley St and the southern end of the Battery St Tunnel
  • Traffic traveling through Seattle via SR 99 will be directed to I-5 north of Seattle at 85th Street or south of Seattle at E Marginal Way
  • Mercer Street will be fully closed to traffic between 5th Ave N and Dexter Ave N
  • Traffic heading east towards I-5 will be detoured to Denny Way at 5th Ave N and will reconnect to Mercer Street at Dexter Avenue N to continue east
  • Sidewalks will be closed on both sides of SR 99 between Thomas and Valley Streets and on the south side of Mercer between 5th Ave N and Dexter Ave N

Beginning Monday, May 20:

  • Lane restrictions on Mercer will remain in place between 4th Ave N and 9th Ave N an alternate route for travelers heading to I-5
  • Broad Street re-opens to eastbound traffic as an alternate route to I5
  • Signal modifications at the intersections of 5th Ave N and Harrison St and Harrison St and Broad St will allow southbound 5th Ave N traffic to connect to eastbound Broad Street
  • Due to the re-opening of Broad Street to two-way traffic, left turns from eastbound and westbound Mercer onto 9th Ave N will be restricted to facilitate traffic flow on Mercer. Travelers heading north towards Westlake and Fremont should use Dexter Avenue N to reach their destinations.

Mercer West: 5th Ave W to Dexter Ave N - Access to Northbound 99 During Construction

5th Ave W to Dexter - 99

Mercer West: 5th Ave W to Dexter Ave N - Access to I5 During Construction

5th Ave W to Dexter - I5

Additional traffic revisions will include:

  • Mercer will be reduced to two eastbound lanes between 4th Ave N and 9th Ave N
  • Local access will be maintained at Taylor Avenue N
  • The sidewalk on the north side of Mercer will be closed between 5th Ave N and Dexter Ave N. The sidewalk on the south side of Mercer Street will remain open
  • Aurora/99 traffic will be shifted to the west side of the roadway between Valley and Harrison streets; two lanes of SR 99 in each direction will remain open
  • Northbound 99 off-ramp to Mercer will be permanently closed. A new signalized intersection at Republican Street and Dexter Avenue N will be available for northbound SR 99 traffic to reach South Lake Union

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Mercer Mess – Fairview opens, Stage 4 begins this Saturday

March 7th, 2013 by Laura

SDOT will reopen Fairview Ave. N to two-way traffic on Saturday, March 9th (weather permitting). This move marks a key step toward the completion of the East Phase of the Mercer Corridor Project and the transition to Stage 4 – the final stage of Mercer East construction. A step in the right direction, but still messy (really, is it possible to get to I-5 from 5th Ave N in less than 15 minutes?).

Fairview Ave. N has been restricted to one northbound lane between Harrison and Valley since August 2012. It’ll now have two northbound lanes and two southbound lanes between Republican and Mercer. In preparation for the re-opening, there will be lane restrictions on Mercer this Friday, March 8th – beginning at 8pm, Mercer will be reduced to two lanes in each direction though Saturday morning.

Just as Fairview opens, the final stage, Stage 4, of Mercer East begins. Stage 4 is the final stage with the following street restrictions:

  • Valley St: restricted to one westbound lane between Fairview and Terry; closed between Terry and Westlake
  • Westlake Ave. N: restricted to one northbound lane between Valley St. and Aloha St.
  • Broad St: closed between Westlake and 9th Ave. N
  • Northbound Terry Ave. N: restricted to local access only between Mercer and Valley
  • Access to Lake Union Park will be via Fairview and Valley

Stage 4 is expected to be completed in July. More information on the Mercer Corridor project is available online. Here’s the map of the new traffic flow beginning Saturday, March 9th:

Next up in the ongoing fix of Mercer is Mercer West. This phase of construction will begin in April, and span from Dexter Ave N to 5th Ave W. If you have any questions for the Mercer Project West team, there’s a “Meet the Contractor” event on Thursday, March 21 from 4:30pm-7:30pm at the Seattle Center (Northwest Rooms and Rainier Room). You can share your comments, opinions, feedback and ask questions too.

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Mercer Traffic Alert: Eastbound Lane Restrictions Begin Monday, December 10th

December 7th, 2012 by Laura

As part of the ongoing Mercer Corridor Project (but really, it’ll be done one day), new Mercer eastbound lane restrictions begin this Monday, December 10th.

According to SDOT, the lane restrictions will last “approximately two weeks” as SDOT installs new signal poles and mast arms at the intersection of Mercer and Fairview Ave N. Two eastbound lanes on Mercer will remain open to traffic between Terry and Fairview. The work will occur on weekdays between 9am and 3pm. A uniformed SPD officer will facilitate traffic flow, but we all know it’ll still be messy.

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