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Capital Improvement Program

Traffic Signals

Program No.: RDCW19

This county program maintains a list of intersections in unincorporated King County that would benefit from further design or are in need of improvement as a result of projected development. These locations are evaluated using federal and state criteria using locally gathered traffic volume and accident data. Locations are then prioritized based on these criteria and pedestrian activity. Consideration is given to the close proximity of parks or schools, as pedestrian traffic is more likely in these areas. The intersections are then surveyed and reviewed to determine the best solution for the roadway and neighborhood. These solutions may include traffic signals, pedestrian signals, actuated flashers, in-pavement crosswalk flashers and other technology. Other solutions may involve physical changes to the roadway, such as roundabouts or turn lanes. All improvements utilize the most modern equipment and techniques to keep motorists and pedestrians safe.

Sub projects

Current phase

100th Avenue NE @ Juanita-Woodinville Way - SCRAM Upgrades	Construction 95%
Intersection

100th Avenue NE @ NE 137th Street - SCRAM Upgrades	Construction start
Intersection

16th Ave SW @ SW 107th Street - SCRAM Upgrades	Final Design
Intersection

16th Avenue SW @ SW 102nd Street - SCRAM Upgrades	Final Design
Intersection

1st Avenue S. @ SW 112th Street - SCRAM Upgrades	Bid/Contract Award
Intersection

1st Avenue S. @ SW 116th Street - SCRAM Upgrades	Final Design
Intersection

4th Avenue SW @ SW 108th Street - SCRAM Upgrades	Final Design
Intersection

Des Moines Way S. @ S. 120th Street - SCRAM Upgrades	Final Design
Intersection

Juanita-Woodinville Way @ NE 145th Street- SCRAM Upgrades	Construction completed.
Intersection

Military Road S. @ S. 342nd Street	Preliminary Design
Intersection

NE Novelty Hill Road	Construction start
2000'-4000' e/o 243rd Ave NE

NE Woodinville-Duvall Road @ 194th Avenue NE	Project not yet started
Intersection

Peasley Canyon Road @ Peasley Canyon Way	Study
Intersection

Preston-Fall City Road @ SE High Point Way	Study
Intersection

SE Lake Holm Road	Construction start
1000'-3000' e/o Auburn-Black Diamond Road

SE Petrovitsky Road @ 162nd Place SE	Preliminary Design
Intersection

SE Petrovitsky Road @ SE 232nd St	Bid/Contract Award
Intersection

How does the CIP work?

The Road Services Division Capital Improvement Program (CIP) contains all design, construction and studies for improvements on roads, bridges or transportation facilities in unincorporated areas in King County. We have a glossary to help explain our terms and jargon.

Before (example)

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After (example)

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Program contact

Norton Posey
206-296-6596

Information from the Road Services Division's Web site is available to
people with disabilities in alternate formats upon request by e-mail,
or by calling 206-263-6482 or 711 for the TTY relay service.

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The details.

Capital Improvement Program

Traffic Signals

Traffic Signals

Program No.: RDCW19

See also

How does the CIP work?