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Find detailed reviews about specific areas of Washington’s transportation system in our collection of planning studies.

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10 results

I-5 Bridgeport Way Pre-Design Study

Location: I-5
Timeline: March - September 2023
  • Complete
  • Pierce County

WSDOT is relocating the signal pole and utility cabinet at the intersection of Bridgeport Way and the I-5 northbound off and on ramps. The existing signal system requires frequent and extensive maintenance repairs. While planning for these improvements, the pre-design study conducted a complete

SR 141 Bingen to White Salmon - Paving Project Complete Streets Pre-design Study

Location: SR 141
Timeline: November 2023 – June 2025
  • In progress
  • Klickitat County

Past events

We hosted our first open house for the project on July 25, 2024, and our second open house on April 22, 2025. We have also coordinated multiple agency partner meetings and alternative selection workshops. Our virtual open house was open April 22 through May 13 and received 78

SR 3/Craig Road to Arcadia Road Pre-design

Location: SR 3
Timeline: May 2025 - June 2026
  • In progress
  • Mason County

WSDOT routinely reviews the state highway system. We look for locations that are at the highest risk for severe crashes and then explore ways to reduce the likelihood of crashes. As a result of the review, we plan to replace the existing intersections on SR 3 at Craig Road, Mill Creek Road, and

SR 302/Goodrich Drive Pre-design

Location: SR 302
Timeline: June 2026 - April 2027
  • In progress
  • Pierce County

WSDOT evaluates the crash history on all roads in the state. This helps WSDOT find locations in need of improvements. This corridor has a history of fatal and serious injury crashes, so it needs improvements. WSDOT completed a crash analysis for this corridor. This identified potential safety

SR 500 NE Fourth Plain Blvd to NE 76th Street – Complete Streets Pre-design Study

Location: SR 500
Timeline: May 2024- Dec 2025
  • In progress
  • Clark County

State Route 500 (SR 500) from Northeast Fourth Plain Boulevard to Northeast 76th Street in Vancouver and unincorporated Clark County needs repairs to its pavement. This work is necessary to keep the road in good condition and protect the public's investment in it. A review called the Complete

SR 7 Pre-design – 267th Street East to SR 507

Location: SR 7
Timeline: March 2024 - April 2025
  • Complete
  • Pierce County

WSDOT has an upcoming safety improvement project on State Route 7 between SR 507 and 267th Street. The project will also repave the roadway. This pre-design identified

SR 7/SR 508 Complete Streets – Morton & Onalaska

Location: SR 7, SR 508
Timeline: Winter 2026 - Spring 2027
  • In progress
  • Lewis County

State Routes 7 and 508 in Morton and Onalaska need pavement repairs to keep the highways in good condition and extend their lifespan. These routes are important connections for local communities, freight and travelers heading to destinations such as the White Pass Scenic Byway and Mount Rainier

SR 99 Lynnwood and Unincorporated Snohomish County Pre-design Study

Location: SR 99
Timeline: Ongoing
  • In progress
  • Snohomish County

The State Route 99 Lynnwood and Unincorporated Snohomish County Pre-Design Study (SR 99 Study) focused on SR 99 between 212th Street Southwest and Airport Road in Lynnwood and unincorporated Snohomish County. The purpose of the SR 99 Study included:

  • Identifying long- and near-term

US 101 Humptulips, Neilton, and Amanda Park Paving and Complete Streets - Pre-design

Location: US 101
Timeline: August 2025 - July 2026
  • Complete
  • Grays Harbor County

The purpose of this project is to preserve and extend the service life of the roadway. Due to the project’s location Complete Streets elements were included. Complete Streets is an approach to planning, designing, building, operating and maintaining streets that provide comfortable facilities

US 101 Paving Pre-design Study

Location: US 101
Timeline: May 2023 - September 2024
  • Complete
  • Clallam County

Two segments of US 101 are scheduled to be repaved. Segment one is near Port Angeles from East Kolonels Way to Shore Road. Segment two spans Carlsborg and Sequim from Kitchen-Dick Road to Simdars Road. 

This pre-design study completed a

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