An adaptive signal control system for 8 intersections in Woodland Park, CO was implemented for $176,300.
From a Colorado DOT comparison of two adaptive signal control system deployments
With 8 adaptive signal controlled intersections, the cost of deploying active signal control on the US 24 Corridor was $176,300 ($22,000 per intersection) to construct, including minimal updates to existing infrastructure that were necessary to install the QuicTrac system. CDOT estimates that the additional upgrades that were undertaken in order to install this system cost almost $14,000. They estimate the "minimal project" cost for the "plug and play" installation of the QuicTrac system for 8 intersections to be $162,400 ($20,300 per intersection).
Necessary upgrades required for installation included local controller firmware at each intersection, QuicNet software and central operating system, and microwave vehicle presence sensors/detectors at each approach,
NotesCosts are in 2012 dollars.
Published By: Colorado Department of Transportation
Source Date: July 2012URL: http://www.coloradodot.info/programs/research/pdfs/2012/adaptivesignaltiming.pdf
Estimated implementation cost without upgrades: $162,400; $20,300 per intersection
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Related Unit Cost Subsystems
traffic signals, adaptive signals