Benton County also uses, in certain circumstances, the standard plans and specifications of the Washington State Department of Transportation (WSDOT). These can be found at their website.
- Benton County Standard Plans - Complete Set
- R-1 Roadway Section - Standard
- R-2 Roadway Section - Urban Local Access
- R-3 County Road Approach
- R-4 Private Road Approach
- R-5 Trench Crossing
- R-6 Roadway Ditch - Standard
- R-7 Cul-de-sac
- R-8 Transverse Markings
- R-9 Surface Repair
- R-10 Utility Location - Standard
- R-11 Fire Hydrant Location - Standard
- R-12 Intersection Plan
- R-13 Type 3 Barricade Placement
- R-14A Monument Case & Cover for Section & Quarter Corners
- R-14B Monument Case & Cover
- R-15 Exfiltration Trench
- R-16 Street Sign Installation
- R-17 Street Name Signs
- R-18 Temp County Road Approach
- R-19 Culvert End Section