Roadway Standards

These Roadway Standards provide the criteria for design and construction of roadways, accesses, site development and integrated drainage facilities under the jurisdiction of Clackamas County. 

Clackamas County is interested in comments and suggestions for improvements to the Roadway Standards. Please contact us at or 503-742-4691 with suggestions or questions or to obtain the Standard Drawings in AutoCAD (dwg) format.

Roadway Standards Updated June 2020

Standard Drawings, updated June 2020

Associated Documents

ADA (Americans with Disabilities Act) Checklists