Harmsen performs a variety of professional services in planning, designing, surveying, construction staking, and arborist services for the following types of transportation projects

  • City Streets
  • Rural Roads
  • Highways
  • Freeways
  • Boulevards
  • Gateways
  • Culverts
  • Trails
  • Access Roads
  • Sidewalks, Curbs, & Gutters
  • Storm water & Drainage

We are specialists in Low Impact Design for transportation projects. Our Civil Engineers and Landscape Architect are LEED Accredited. They regularly design innovative, cost saving projects that are welcome to communities, safe, and low impact/low maintenance.

We regularly work with Washington State Department of Transportation (WSDOT) and American Association of State Highway and Transportation Officials (AASHTO) standards. We have provided Civil Engineering, Land Use Planning, Landscape Architecture, Surveying and Construction staking services for hundreds of transportation projects throughout the Pacific Northwest.

We are proud to have some of the most experienced transportation professionals available to you.