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King County Road Services - Capital Improvement Program

South 277th Street - Intelligent Transportation System (ITS)

Project No.:  1026737
Project limits:  55th Ave S. to SR-167
Project type:  Traffic & Roads Operations
Thomas Bros. Map No.:  715f6

Project description

The S. 277th Street project includes design and installation of ITS improvements that include signal interconnect and remote operation and monitoring capability, signal controller and cabinet change, cameras, real time data collection stations, road surface monitoring and a variable message sign to advise motorists of variable traffic conditions.

Why is King County doing this project?

This corridor is a major east-west corridor connecting I-5 with the Kent and Auburn Urban Centers that is projected to be highly congested in the future. The project will improve traffic flow through the corridor with remote operation and monitoring of the traffic signals. The project also provides information to the traveling public via cameras posted to the internet and a roadside message sign.
 

Project management phase:  Construction 95%

Status as of April 10, 2014

This project is under construction with construction substantially complete

 

How does the CIP work?

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



Budget and Funding

Vicinity map

Vacinity map


Project supervisor

Norton Posey
206-477-3673