145th Street Multimodal Corridor Study 1 145th Street (State Route - - PowerPoint PPT Presentation

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145th Street Multimodal Corridor Study 1 145th Street (State Route - - PowerPoint PPT Presentation

Apr 06, 2023 256 likes •518 views

145th Street Multimodal Corridor Study 1 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

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145th Street Multimodal Corridor Study

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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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Project partners

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Traffic congestion Limited transit service, minimal amenities Pedestrian barriers, no place for bikes Safety concerns, including lack

  • f left turns

What’s the problem?

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Collisions sized by occurrences

Collison history: 2010-2014

What’s the problem?

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What’s the process?

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  • 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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Improvement concepts could include widening for:

Existing Roadway

60’ Right of Way Bus lane 13’ Turn lane 12’ Bike lane 5’ Sidewalks 8’ Bus Stop 10’ Planter 5’

Challenge of limited right of way

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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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Preferred Concept strategy:

Maximize benefits and minimize impacts

STUDY CONCEPT 4 PREFERRED CONCEPT STUDY CONCEPT 2

Impacts Impacts Benefits Benefits Impacts Benefits

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Preferred Concept Overview

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Corridor contexts

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Example concept: Near 30th Avenue intersection

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Transit Queue Jump

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Off‐Corridor Bike Network

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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

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Kendra’s graphic

  • More detailed explanation

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Example concept: Typical intersection between Aurora and I‐5

SHORELINE SEATTLE

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Example concept: Near Aurora Avenue intersection

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Example concept: mid‐block Linden to Greenwood

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

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86% 87% 96% 86%

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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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Questions?