Projects, plans, reports & standards
Featured projects
Capital Improvement Program
Projects
Countywide
- 2014 Safety High Friction Surface Treatment Project
- 2017 High Friction Surface Treatment Project
- 2017-2018 Guardrail Preservation Project
- 2017-2018 New Guardrail Construction Project
- Culvert Replacement Projects
- Guardrail Installation & Hazard Removal Project
- High Friction Surface Treatment Projects
- Proposed Speed Limit Reduction Projects
- Road Resurfacing Projects
- Safety Project
- School Zone Safety Program Projects
Northeast
- Baring Bridge Emergency Repair Project
- Baring Bridge Replacement Project
- NE 124th Street near 164th Avenue NE Crosspipe Project
- NE 165th Street Flood Risk Reduction Project
- NE Old Cascade Highway Roadway and Drainage Improvements Project
- NE Novelty Hill Road Missing Sidewalk Project
- NE Stillwater Hill Road
- NE Union Hill Road at 225th Avenue NE Box Culvert Replacement Project
- Redmond Ridge Drive NE Roundabout Project
- Tolt Hill Bridge 1834A Emergency Repairs Project
- Woodinville Duvall Intelligent Transportation System (ITS) Project
South
Southeast
- 212th Avenue SE Flood Risk Reduction Project
- 241st Avenue SE Turn Restriction
- Coal Creek Bridge Replacement Project
- Issaquah Hobart Road SE and SE Tiger Mountain Road Needs and Funding
- Issaquah Hobart Road SE and SE Tiger Mountain Road Right Turn Restriction Project
- Preston Maintenance Facility Project
- SE 176th Street & SE 171st Way Roundabout Project
- SE Edgewick Road/468th Avenue SE improvements
- SE May Valley Road truck traffic
Southwest
- SW 102nd Street at 8th Avenue SW Roundabout Project
- SW 108th Street & 8th Avenue SW Roundabout Project
- SW Roxbury Street Sidewalk Project
Vashon
Plans
Reports
- Bridge reports
- Bridges & Roads Task Force Report
- Endangered Species Act Reports
- Historic & Scenic Corridors Report
- Issaquah-Hobart Road/Front Street Corridor Study
- Red Brick Road Condition Assessment Report
- Stormwater Monitoring Final Report
- Traffic safety reports
- Transportation Needs Report