Seattle Area Traffic Management System Upgrade

by Jerry L. Hautamaki, HNTB Corp, Bellevue, United States,
Mark H. Morse, HNTB Corp, Bellevue, United States,

Document Type: Proceeding Paper

Part of: Pacific Rim TransTech Conference: Volume I: Advanced Technologies


The Washington State Department of Transportation (WSDOT) implemented the first components of this freeway monitoring and control system in 1967. A major upgrade to this system was completed in 1993. This upgrade involved relocating the Operations Center, Replacing the central control computer and operator console, designing and developing new central computer and console software, adding a new fiber based communications system, and adding features to the Model 170 ramp meter/data collector field software.

Subject Headings: Traffic management | Systems management | Intelligent transportation systems | Communication systems | Highway and road management | Control systems | Computer models | Computer software | Washington | United States | Seattle

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