Westlake Cycle Track Project Design Advisory Committee Meeting #3 - - PowerPoint PPT Presentation

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Westlake Cycle Track Project Design Advisory Committee Meeting #3 - - PowerPoint PPT Presentation

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Google Earth Image Westlake Cycle Track Project Design Advisory Committee Meeting #3 April 21, 2014 SDOTs mission and vision Mission: Deliver a first-rate transportation system for Seattle . Vision: A vibrant Seattle with connected people,

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Westlake Cycle Track Project

Design Advisory Committee Meeting #3 April 21, 2014

Google Earth Image

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SDOT’s mission and vision

Mission: Deliver a first-rate transportation system for Seattle . Vision: A vibrant Seattle with connected people, places, and products.

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SDOT’s values

Keep it safe Focus on the basics Build healthy communities Support a thriving economy Provide great service

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Project goals: safety for all users

People biking

  • Support bicycle riders
  • f all ages and abilities

People walking:

  • Separate bicycles from

pedestrians People driving:

  • Provide predictability

within parking lot

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Project goals: connectivity

Connect with surrounding bike/walking trails and facilities

North end connect to Ship Canal Trail South end connects to Lake Union Park

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Project goals: accessibility

Provide a flat, low-stress bike path, making this scenic corridor more accessible to residents and visitors

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Meeting #2 recap

  • Presented methods and results of three project studies:
  • Existing Conditions and Design Criteria Memo
  • Traffic Circulation Study
  • Parking Utilization Study
  • Discussed how results inform design
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Tonight’s overview of alignment concepts

  • Describe purpose of alignment concepts
  • Review design guidelines
  • Describe corridor-specific considerations
  • Present concepts
  • Questions and answers
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Purpose of alignment concepts

  • Establish general location in corridor
  • Compare concepts based on:

– SDOT vision and values – Project goals – Additional design considerations

  • Develop detailed design after preferred concept

selected

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Design guidelines

Protected bike lane:

  • 10 feet minimum plus 2-

foot separation

  • Two-way operation
  • Design speed of 10 mph
  • Special crossing

treatments

  • Maximize parking
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Additional design considerations

  • Minimize impacts to traffic on Westlake Avenue North
  • Minimize utility impacts
  • Identify opportunities to provide or replace landscaping

and screening

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Additional design considerations

  • Create connections to existing bicycle facilities
  • Provide 8-foot minimum sidewalk on water side
  • Honor unique Westlake corridor
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Parking design approach

  • Use combination of angled and parallel parking
  • Because space is constrained, one-way circulation
  • Provide adequate sight distance
  • Provide access to private property and parking
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Parking design considerations

Final parking layout will address:

  • ADA spaces/universal accessibility
  • Fire zones, emergency access
  • Loading zones for trucks, tour buses
  • Pedestrian access to transit
  • Garbage container storage/pick up
  • Utility conflicts
  • Sight distance
  • Turning calculations for large vehicles
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Concepts overview

Fall 2013 open house: 4 options

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Westlake Avenue North alignment

  • No longer considered because:
  • Requires removal of a travel lane or additional

right of way

  • Requires significant construction
  • Outside project scope and budget
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Concepts overview

Spring 2014 : 2 options

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Concept A

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Concept A: design elements

  • Aligned along west curb of

parking lot

  • Service lane remains
  • Parking layout revised
  • One-way circulation
  • Some landscape and trees

removed

  • Multiple street/driveway

crossings –or consolidation

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Concept B

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Concept B: design elements

  • Close proximity to east

sidewalk

  • Service lane used for cycle

track

  • Parking layout revised
  • One-way circulation
  • Landscaping and east

sidewalk reduced (8 ft min retained) in some sections

  • Fewer driveway crossings
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Concept comparison

CATEG EGORY RY ELEM EMEN ENT Con Concept A Con Concept B

SAF AFETY Provi vide de a a facility c y comfortabl ble fo for bicyclis lists o

  • f all

ll ages es a and abilit ilities   SAF AFETY Prov

  • vides s

s separat ation

  • n from

m mo motor v vehi hicles and nd p pedest strians ns   SAF AFETY Provides es p predictabilit ility w within in parkin ing l lot   CONNECTIV IVIT ITY Provides es c connec ectio ion to ex exis istin ing b bik ikin ing and w walkin ing f facili lities ies   ACCESSIB IBIL ILIT ITY Flat, t, low

  • w-st

stress ss f facility  

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Concept comparison

CATEG EGORY RY ELEM EMEN ENT Con Concept A Con Concept B

SAF AFETY Number er o

  • f intersec

ectio ion/driv ivew eway cro rossings More Fewer SAF AFETY Numb umber o

  • f mi

mixing ng z zone nes s with h pedest strian ans Fewer More PAR ARKING NG Cha hang nges t to pa parking s suppl pply More Fewer PAR ARKING NG Changes es t to lo loadin ing z zone, e, fir ire e la lanes es None More OT OTHER Cha hang nges t to east st si sidewalk a and nd landsc scap aping Fewer More

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Next steps

  • DAC members question and answers/input
  • Present concepts at May 21 open house
  • DAC members attend open house
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Questions?

http://www.seattle.gov/transportation

WCT@seattle.gov | (206) 909-8578

http ttp://w //www ww.se seattle. le.gov

  • v/t

/transp nspor

  • rtation

ion/wc /wct.htm