North-South Corridors Study

Location: Primary north-south travel corridors, including Willows Rd, Red-Wood Rd (SR 202), 172nd Ave NE and Avondale Rd (view map)

Project Phase: Planning

Timeline: Travel surveys in 2017; Traffic counts and modeling in 2018; Operational analysis and community outreach in 2019

Contact: Angie Venturato, Transportation Engineer, 425-556-2466,

Project Overview: The North-South Corridors Study is conducting a travel study of north-south congested corridors and identifying potential operational solutions and capital improvements.

  • Determine short-term improvements that can be implemented within the next 6 years for Willows Rd and 172nd Ave NE to improve access and safety along those two corridors
  • Determine the ultimate long-range improvements needed for each of the corridors within the study
  • Develop criteria and prioritize the long-range improvements needed in the study area
  • Conduct community outreach and engagement efforts throughout the study

Map: View North-South Corridors Map