Cost

In Snohomish County, Washington, interconnecting five traffic signals and three CCTV cameras to a central signal system cost $91,000.

Connecting ramp terminal traffic signals to regional traffic control system in Washington State DOT's northwest region

June 2009
SR 96,Everett,Washington,United States

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Summary Information

The goal of this project was to connect arterial traffic signal systems near freeway ramps to a central signal system. This would provide the communications infrastructure for future coordinated operations. Three jurisdictions within the region were upgraded as part of this project.

The first of three projects interconnected arterial traffic signals on State Road 96 in Snohomish County near freeway ramps into the regional traffic signal system by installing the following:
  • Five traffic signals on SR 96 along with new 2070 traffic signal controllers
  • Fiber optic cable for connecting the signals to the central traffic signal control software
  • Three CCTV cameras
  • Connection for eight existing traffic signals on SR 527 to the WSDOT i2TMSâ„¢ central software at the Northwest Region TMC
The maintenance required to keep the fiber optic interconnection in operation is much less than what was required to keep the previous twisted-pair, copper wire in operation.



Notes

See System Cost entries for Edmonds, Washington (2012-00261) and in Kent, Washington (2012-00262) for project costs for the other two jurisdictions that are part of this region.

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Source

ITS Evaluation Framework - Phase 2 Continuation (2009) Seventeen Projects

Author: Peter M. Briglia, Jr.

Source Date: June 2009

URL: http://www.wsdot.wa.gov/research/reports/fullreports/672.2.pdf

System Cost

Interconnecting 5 traffic signals and 3 CCTV cameras to a regional traffic control system - $91,000 (2004)

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Costs From This Source

In Wenatchee, Washington, the construction of a Transportation Management Center (TMC) and the installation of the associated ITS field equipment cost $460,000.

In central Washington state, the cost of deploying two variable message signs (VMS) on westbound Interstate 90 was $660,000.

In Edmonds, Washington, connecting six arterial traffic signals and five CCTV cameras to a central signal system cost $90,000.

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In Snohomish County, Washington, interconnecting five traffic signals and three CCTV cameras to a central signal system cost $91,000.

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Cost ID: 2012-00260