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Road Services' projects and programs in unincorporated King County
Projects
Active capital projects
Countywide projects
- Bridge Guardrail Upgrades 2025
- Bridge Washing Projects
- Culvert Replacement Projects
- Guardrail Projects
- High Friction Surface Treatment Projects
- LED Stop Sign Upgrade Project
- Road Resurfacing Projects
- School Zone Safety Projects
- Speed Limit Assessment Projects
Projects by region
Northeast
- 244th Avenue NE Slide Repair Project
- Ames Lake Trestle Bridge No. 1320A Replacement Project
- Baring Bridge No. 509A Replacement Project
- Duvall Slough Bridge #1136B (NE Woodinville-Duvall Road) Re-deck Project
- NE Lake Joy Road Culvert Replacement Project
- NE Old Cascade Highway Roadway and Drainage Improvements Project
- NE Stillwater Hill Road/Kelly Road NE Roadway Preservation Project
- NE Tolt Hill Road Slide Repair Project
- NE Woodinville Duvall Road/NE 172nd Street Culvert Replacement Project
- Redmond Ridge Drive NE and NE Alder Crest Drive Roundabout Project
- Sahalee Way NE Drainage Improvement Project
- Snoqualmie Valley Major Flood Mitigation Study (Cross Valley)
South
- Green River Road Hillside Clean-up and Restoration Project
- Renton Avenue S Pedestrian Safety Improvement Project
- S 277th Bridge No. 3126 Replacement Project
- S 360th Street at Military Road S Roundabout Project
Southeast
- 218th Avenue SE Roadway Preservation Project
- 284th Avenue SE Culvert Replacement Project
- Boise X Connection Bridge #3055A Replacement Project
- Clough Creek Bridge #909B Load Upgrade Project
- Coal Creek Bridge No. 3035A Replacement Project
- Fifteen Mile Creek Bridge No. 493C Replacement Project
- Fish Hatchery Road Bridge No. 61B Removal Project
- Issaquah-Hobart Road SE and SE May Valley Road Intersection Improvement Project
- SE 384th Street Culvert Replacement Project
- SE 432nd Street Culvert Replacement Project
- SE 472nd Street Culvert Replacement Project
- SE Covington-Sawyer Road at 164th Place SE Sightline Improvements Project
- SE Kent-Kangley Road at Landsburg Road SE/SE Ravensdale Way Intersection Improvement Project
- Upper Tokul Creek Bridge No. 271B Replacement Project
Southwest
- 141st Avenue SW Culvert Replacement Project
- 16th Avenue SW: SW 100th Street to SW 107th Street Pedestrian Safety Improvements & Traffic Calming Project
- ADA Curb Ramps Upgrade Project