I-5 - Mounts Road to Thorne Ln I/C - Corridor Improvements - Proposed Steilacoom DuPont Rd Interchange

In May 2017, WSDOT reinitiated discussions with stakeholders to define a reconfiguration of the Steilacoom-DuPont Road (Exit 119) interchange that meets the project purpose and need. These efforts have resulted in the following linked feasibility report.

Feasibility Report: I-5, Exit 119 Interchange Alternatives (pdf 4.26 MB) - Published September 2017

Next Steps

  • A public open house will be scheduled for spring of 2018.
  • A full range of environmental studies will be conducted to determine what impacts would result if a selected alternative were built.
  • Construction of improvements in this portion of the corridor is not intended to begin until 2021.