Transportation & Engineering


Public Works manages 400 center line miles of County roadway and 8.4 miles of multi-use trail including the Larry Scott Trail, the Olympic Discovery Trail, and the Rick Tollefson Trail. Ongoing duties include:

  • Maintain a 6-Year TIP and Annual Construction Program.
  • Plan and seek grants for future roadway and active transportation facility improvements.
  • Design, bid, and manage construction projects.
  • Maintain County roads, bridges, culverts, and trails.
  • Management of the public right-of-way.
  • Compile traffic count data and interpret speed and crash data.
  • Provide development review for Dept. of Community Development.
  • Respond to transportation related emergencies.

For a list of Jefferson County roads please see either the East Jefferson County Road Log (PDF) or West Jefferson County Road Log (PDF).  The first letter in our road numbering convention reflects the status, i.e. (C) County Road, (M) City Street, (P) Private Road. Not all public right-of-ways are County roads, and only County roads are maintained by Jefferson County.