Cost

Based on data from six separate studies, the costs to retime a traffic signal range from $2,500 to $3,100 per intersection per update.


2004 - 2006
Nationwide,United States; Orlando,Florida,United States; Denver,Colorado,United States; Oakland,California,United States; Washington,District of Columbia,United States


Summary Information

Optimizing signal timing is considered a low-cost approach to reducing congestion. Based on data from six separate studies, the costs range from $2,500 to $3,100 per signal per update. While this range is reasonable, costs could be slightly more or less. The six studies from which this costs range was developed are identified below with a link to each of the system cost summaries.

National Traffic Signal Report Card
Costs to update signal timing: $3,000 or less per intersection.

Millenia Mall Signal Retiming Project
Cost of retiming signals: $3,100 per intersection.

Regional Signal Timing Program - 2005 Cycle Program Performance
Average cost to retime signals under the MTC program: $2,400 per intersection.

Benefits of Retiming Traffic Signals: A Reference for Practitioners and Decision Makers About the Benefits of Traffic Signal Retiming
Cost range for signal retiming: $2,000 - $2,500 per intersection.

The Benefits of Retiming Traffic Signals
Costs of retiming traffic signals in the Washington, DC area is about $3,500 per intersection.
In general, the costs of retiming traffic signals is roughly $2,500 per intersection.

Denver Regional Council of Governments Costs of Retiming Traffic Signals
Cost to retime each signal ranges from $1,800 to $2,000 which includes consultant time and DRCOG staff review time.



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Source

Synthesized Costs of Traffic Signal Retiming

National Transportation Operations Coalition, The National Traffic Signal Report Card: Technical Report, Washington, DC: 2005. Fee Estimate – Millenia Mall Retiming, bid submitted to the City of Orlando, FL, October 2005, and correspondence with Eddie Curtis, PE, FHWA Resource Center, October 2006. Heminger, S., Regional Signal Timing Program – 2005 Cycle Program Performance (Memorandum to the California Metropolitan Transportation Commission’s Operations Committee), Oakland, CA: October 2006, and correspondence with Christina Atienza, Metropolitan Transportation Commission, January 2007. Harris, J., “Benefits of Retiming Traffic Signals: A Reference for Practitioners and Decision Makers About the Benefits of Traffic Signal Retiming,” Institute of Transportation Engineers, 2005 Annual Meeting and Exhibit, August 7-10, 2005. Sunkari, S., “The Benefits of Retiming Traffic Signals,” ITE Journal, April 2004. Conversation with Mr. Jerry Luor, Traffic Engineering Supervisor, Denver Regional Council of Governments (DRCOG), October 2006.

Source Date: 2004 - 2006


System Cost

Cost range for retiming traffic signals: $2,500 to $3,100 per signal per update.

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Keywords

coordinated signals, signal coordination, centralized signal control, signal synchronization, traffic signals, advanced signal control, signal timing optimization, coordinated signal control, advanced signal controller, traffic signal retiming, retiming

Cost ID: 2007-00118