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145th Street Multimodal Corridor Study - King County...

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Page 1: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

145th Street Multimodal Corridor Study

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Page 2: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

145th Street (State Route 523)

• Connection to Aurora, I‐5, and Lake City Way/Bothell Way• Connection for Shoreline and Seattle neighborhoods, businesses, parks and services

• Future light rail station at 145th and I‐5

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Page 3: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Project partners

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Page 4: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Traffic congestion Limited transit service, minimal 

amenities

Pedestrian barriers, no 

place for bikes

Safety concerns, including lack of left turns

What’s the problem?

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Page 5: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Collisions sized by occurrences 

Collison history: 2010-2014

What’s the problem?

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Page 6: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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What’s the process?

Page 7: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

• Ensure that everyone can walk, bike, bus, access light rail and drive safely and reliably along and across the corridor

• Develop transportation improvements that:• Support the local economy• Protect the environment• Support a vibrant community

Project goals

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Page 8: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Improvement concepts could include widening for:

Existing Roadway

60’  Right of Way

Bus lane 13’

Turn lane 12’

Bike lane 5’ 

Sidewalks8’

Bus Stop10’ 

Planter5’ 

Challenge of limited right of way

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Page 9: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

We are here

(1 year) (1‐2 years) (1 year) (1 year) (1‐2 years) (2 years +)

Community‐based design informed by your input

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Page 10: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Preferred Concept strategy:Maximize benefits and minimize impacts

STUDY CONCEPT 4 PREFERRED CONCEPTSTUDY CONCEPT 2

ImpactsImpacts

Benefits Benefits

Impacts

Benefits

Page 11: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Preferred Concept Overview

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Page 12: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Corridor contexts

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Page 13: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Example concept: Near 30th Avenue intersection

Page 14: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Transit Queue Jump 

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Page 15: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Off‐Corridor Bike Network

Page 16: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Example concept: I‐5 Interchange

New non‐motorized bridge

• Remove sidewalks on existing structure• Widen to include 6 lanes and a 5‐ft sidewalk on south side

FUTURE LIGHT RAIL STATION

NB I‐5

Page 17: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Kendra’s graphic

• More detailed explanation

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Page 18: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Example concept: Typical intersection between Aurora and I‐5

SHORELINESEATTLE

Page 19: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Example concept: Near Aurora Avenue intersection

Page 20: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Example concept: mid‐block Linden to Greenwood

Page 21: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Open House #3 presented the Preferred Concept and collected valuable community feedback

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Page 22: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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86% 87%

96% 86%

Page 23: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

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Page 24: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Next Steps: Aurora to I‐5:

• Continue partnership building with Seattle, WSDOT, King County, and other partner agencies

• Begin preliminary design and environmental review

• Pursue grant funding for right of way and construction through PSRC, TIB, and other sources

I‐5 Interchange: 

• Pursue grant funding for design and construction through PSRC regional grants and other sources

I‐5 to SR522: 

• Advocate for ST3 funding and continue to build partner agency relationships

3rd Ave NW to Aurora Avenue: 

• Implement quick wins – restriping and signal timing

• Coordinate with SDOT on improvements

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Page 25: 145th Street Multimodal Corridor Study - King County Metrometro.kingcounty.gov/advisory-groups/mobility... · • Future light rail station at 145th and I‐5 2. Project partners

Questions?


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