Corridor Study

SR 410 / 234th Avenue to Garrett Street Corridor Study

Study News

  • Online survey open through 11:59 p.m. Sunday, July 22.
  • WSDOT welcomes public feedback to identify ways to reduce congestion on State Route 410, including questions about the White River Bridge as well as potential improvements for travelers who ride bicycles or walk. 

Study Purpose

SR 410 from Bonney Lake to EnumclawWSDOT will examine traffic congestion along a busy section of State Route 410 between Bonney Lake and Enumclaw, developing potential strategies to reduce congestion and improve safety benefits including replacing or expanding the SR 410 White River Bridge. The study will evaluate how to improve current and future travel conditions using strategies identified through the Practical Solutions planning approach. 

Public Outreach

The public is encouraged to comment on corridor improvements by participating in an online survey and attend an open house event beginning late summer through fall 2018.                                                                                                                                                                                                                                                                      View larger map

End result

This study will summarize existing and future conditions along the SR 410 corridor between Bonney Lake and Enumclaw based on data and stakeholder input received through survey results and open house feedback. Additionally, the intent of this study is to propose near-, mid-, and long-term strategies to improve travel and corridor conditions for travelers. Recommendations will guide WSDOT moving forward in identifying future solutions.


Funding for this study is provided by the Washington State Motor Vehicle Account. A total of $300,000 was allocated during the 2017-2019 biennium.


Spring 2018

  • Stakeholder and community engagement
  • Data collection and analysis

Summer - Fall 2018

  • Continued stakeholder and community engagement
  • Refine and finalize improvement strategies

Winter 2018

  • Publish final report


Dennis Engel, Planning Manager

T.J. Nedrow, Study Lead

Claudia Bingham Baker, Communications Manager