View By Application

Arterial Management > Traffic Control > Advanced Signal Systems


Advanced signal systems include coordinated signal operations across neighboring jurisdictions, as well as centralized control of traffic signals which may include some necessary technologies for the later development of adaptive signal control.


Placing detectors and deploying transit signal priority should be done to maximize benefits for transit vehicles while minimizing delay for other vehicles.(2013)

Familiarize travelers with active traffic management applications and use visible police presence when initiating ATM operations to improve pedestrian safety.(2013)

Install detection sensors overhead on existing signal mast heads when possible, instead of using in-ground sensors to reduce both initial costs and maintenance costs.(August/September 2012)

Focus on the integration of business processes at the institutional or programmatic level rather than at the operations level.(2011)

Strengthen the ability to coordinate and manage operations for planned special events by co-locating a traffic management center with a public safety center with representatives from police, fire and 9-1-1.(November 2008)

Use portable ITS equipment to monitor and control traffic flow at major signalized intersections located at entrance and exit points near planned special events.(November 2008)

Incorporate contractual provisions to conduct on-site traffic signal hardware and software demonstration testing and provide sufficient project oversight to ensure vendors meet agency requirements.(24 June 2008)

Be aware that integration of advanced transportation management systems, regardless of size, creates challenges throughout project deployment.(24 June 2008)

Incorporate real-time data collection capabilities when updating traffic signals to better target signal maintenance needs.(December 31, 2007)

Use the ITE Traffic Signal Self-Assessment to help make the case for increased staffing and funding to support traffic signal programs.(December 31, 2007)

Hire properly trained staff to deploy and maintain traffic signal systems.(1/31/2002)

Establish a working group among public sector partners to address liability issues.(December 2000)

Implement a communication structure across jurisdictions that facilitates the flow of traffic data and allows agencies to coordinate traffic signal timing.(10/1/2000)

Follow a modular approach when deploying complex projects in locations with a shortened construction season.(April 2000)

Hybrid Vehicle Actuation signal timing using connected vehicle broadcasts and inductive loop data can reduce delay by up to 32 percent compared to inductive loop only systems.(01/07/2018)

The California PASS Program deployed intelligent traffic signal systems throughout the Bay Area to achieve benefit-to-cost ratios ranging from 12:1 to 105:1.(01/19/2016)

Smart red-light extension (RLE) systems can predict red-light running events and immediately extend intersection clearance times to improve safety.(January 2016)

Signal Priority operations shown to improve connected bus travel times by 8.2 percent and connected truck travel times by 39.7 percent.

Enabling connected vehicles to pay for priority at signalized intersections yields a benefit cost of at least 1.0 at 20 percent CV penetration and as much as 3.0 at 10 percent CV penetration when including reduced network delay for all vehicles.(08/01/2015)

Adaptive traffic signal system reduces travel times by 1 to 4 percent on a congested arterial.(June 10, 2015)

Field Evaluation of Detection Control System leaves 72 percent fewer vehicles in the dilemma zone(April 2015)

A well designed signal retiming plan covering 8.7 miles resulted in 16,322 hours of travel time savings and 982 tons of CO2 reductions.(03/01/2014)

A typical signal timing project in Portland saves over 300 metric tons of CO2 annually per retimed traffic signal.(09/01/2013)

An adaptive signal timing system in Gresham, Oregon reduced average travel times by 10 percent.(09/01/2013)

Transit signal priority in the Portland metro area can reduce transit delay by 30 to 40 percent and improve travel times 2 to 16 percent.(09/01/2013)

Cooperative vehicle intersection signal control systems can reduce intersection stop time by more than 82 percent. (09/06/2012)

Cooperative vehicle intersection signal control systems can reduce fuel consumption and emissions by 36 and 37 percent, respectively.(09/06/2012)

Cooperative vehicle intersection signal control systems can reduce numbers of rear-end crash events by 30 to 87 percent.(09/06/2012)

Deploying advanced traffic signal controllers and an adaptive decision support system for 110 blocks of New York City led to a 10 percent decrease in travel times.(August/September 2012)

Decision Support System scenarios modeled on the ICM Corridor in Dallas Texas show travel time savings of 9 percent on arterials when vehicles divert from the freeway.(August 1, 2012)

An optimized traffic signal timing project in Allegheny County, PA resulted in a benefit-cost ratio of 57:1 along the corridor.(August 2011)

Synchronizing traffic lights on Alicia Parkway, a major corridor in California, reduced the number of stops by 75 percent and lowered greenhouse gas emissions by 7 percent.(May 25, 2011)

Navigation systems with eco-routing features can improve fuel economy by 15 percent.(January 2011)

Coordinated actuated traffic signal systems produced a 30 percent reduction in corridor travel times compared to actuated isolated systems, resulting in a benefit/cost ratio of 461.3.(September 2010)

In Espanola, New Mexico the implementation of a traffic management system on NM 68 provided a decrease in total crashes of 27.5 percent and a reduction in vehicle delay of 87.5 percent.(September 2, 2008)

In the City of Fort Collins, Colorado, the installation of an Advanced Traffic Management System reduced travel times up to 36 percent.(24 June 2008)

Case studies of several transportation departments updating traffic signal systems estimated at least 10 percent reduction in delays, 23 percent reduction in the number of stops, and 3.5 percent reduction in fuel consumption as a result of signal system upgrades and retimings. (December 31, 2007)

The Texas Traffic Light Synchronization Program reduced delay by 23 percent by updating traffic signal control equipment and optimizing signal timing on a previously coordinated arterial.(October 2005)

The Traffic Light Synchronization program in Texas demonstrated a benefit-to-cost ratio of 62:1(7-10 August 2005)

The Texas Traffic Light Synchronization program reduced delays by 24.6 percent by updating traffic signal control equipment and optimizing signal timing.(7-10 August 2005)

Full ITS deployment in the Seattle area projected to reduce recurrent congestion delays by 3.2 percent and incident related delays by 50 percent.(May 2005)

Full ITS deployment in Seattle projects personal travel time reductions of 3.7 percent for drivers and 24 percent for transit users.(May 2005)

Full deployment of comprehensive ITS strategies in Seattle are projected to reduce CO, HC, and NOx emissions by 16 percent, 17 percent and 21 percent, respectively and reduce fuel consumption by 19 percent.(May 2005)

Full ITS deployment in Seattle projects vehicle speeds to increase by as much as 12 percent on major roadways.(May 2005)

Across the nation, traffic signal retiming programs have resulted in travel time and delay reductions of 5 to 20 percent, and fuel savings of 10 to 15 percent. (November/December 2004)

In Oakland County, Michigan retiming 640 traffic signals during a two-phase project resulted in Carbon monoxide reductions of 1.7 and 2.5 percent, Nitrogen oxide reductions of 1.9 and 3.5 percent, and hydrocarbon reductions of 2.7 and 4.2 percent.(November/December 2004)

Controlled motorways offer improved travel time reliability and less stress for drivers, but in some cases costs can outweigh benefits.(November 2004)

In Oakland County, Michigan a two-phase project to retime 640 traffic signals resulted in a benefit-cost ratio of 175:1 for the first phase and 55:1 for the second.(November/December 2004)

Signal retiming projects in several U.S. and Canadian cities decreased delay by 13 to 94 percent, and improved travel times by 7 to 25 percent.(April 2004)

Signal retiming projects in several U.S. and Canadian cities contributed to a reduction in crash frequency.(April 2004)

Signal retiming projects in several U.S. and Canadian cities reduced fuel consumption by 2 to 9 percent. (April 2004)

Coordinated signal timing on the arterial network in Syracuse, New York reduced vehicular delay by 14 to 19 percent, decreased total stops by 11 to 16 percent, and increased average speed by 7 to 17 percent.(September 2003)

By implementing coordinated signal timing on the arterial network in Syracuse, New York total fuel consumption was reduced by 9 to 13 percent, average fuel consumption declined by 7 to 14 percent, average vehicle emissions decreased by 9 to 13 percent.(September 2003)

Simulations indicated that using a decision support tool to select alternative traffic control plans during non-recurring congestion in the Disney Land area of Anaheim, California could reduce travel time by 2 to 29 percent and decrease stop time by 15 to 56 percent. (December 2001)

Optimizing signal timing plans, coordinating traffic signal control, and implementing adaptive signal control in California reduced travel time by 7.4 to 11.4 percent, decreased delay by 16.5 to 24.9 percent, and reduced stops by 17 to 27 percent.(7-11 January 2001)

The estimated benefit-to-cost ratio for optimizing signal timing plans, coordinating traffic signal control, and implementing adaptive signal control in California was 17:1.(7-11 January 2001)

Optimized signal timing plans, coordinated traffic signal control, and adaptive signal control reduced fuel use by 7.8 percent in California.(7-11 January 2001)

In Sullivan City, Texas, a signal control system that gives priority to trucks has reduced truck stops by 100 for a weekly volume of 2,500 trucks and has reduced truck delay.(September 2000)

A preemptive signal control system used to minimize truck stops in Sullivan City, Texas has resulted in cost savings due to reduced fuel consumption and emissions, less pavement wear, and reduced tire and brake wear.(September 2000)

A model found that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington would help reduce the number of expected crashes by 2.5 percent and the frequency of fatal crashes by 1.1 percent.(30 May 2000)

Modeling indicated that coordinating fixed signal timing plans along congested arterial corridors leading into Seattle, Washington, and incorporating arterial traffic flow data into the traveler information system would reduce vehicle delay by 7 percent and 1.8 percent, respectively.(30 May 2000)

Modeling performed as part of an evaluation of nine ITS implementation projects in San Antonio, Texas indicated that integrating DMS, incident management, and arterial traffic control systems could reduce delay by 5.9 percent.(May 2000)

Evaluation indicated that integrating DMS and incident management systems could reduce crashes by 2.8 percent, and that integrating DMS and arterial traffic control systems could decrease crashes by 2 percent, in San Antonio, Texas.(May 2000)

Evaluation of freeway DMS integrated with incident management in San Antonio, Texas, found fuel consumption reduced by 1.2 percent; integrating the DMS with arterial traffic control systems could save 1.4 percent. (May 2000)

In Arizona, traffic signal coordination among two jurisdictions contributed to a 1.6 percent reduction in fuel consumption and a 1.2 increase in carbon monoxide emissions. (April 2000)

Deploying advanced technologies and an integrated corridor management approach decreased congestion and improved traffic flow within an 8-mile corridor south of Twin Cities, Minneapolis encouraging 58% of motorists surveyed to use arterial streets for short trips rather than Interstate-494.(April 2000)

Traffic signal coordination among two jurisdictions in Arizona resulted in a 6.2 percent increase in vehicle speeds; optimization of the coordinated timing plans was predicted to reduced AM peak period delay by 21 percent.(April 2000)

Crash risk along a corridor in Arizona was reduced by 6.7 percent due to traffic signal coordination among two jurisdictions.(April 2000)

In Tysons Corner, Virginia optimized signal timing lead to a 9 percent reduction in fuel consumption.(March 2000)

In Tysons Corner, Virginia optimized signal timing reduced delay by approximately 22 percent and decreased stops by roughly 6 percent.(March 2000)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could reduce emissions by 1 to 3 percent, lower fuel consumption by 0.8 percent, and improve fuel economy by 1.3 percent.(September 1999)

A simulation study indicated that integrating traveler information with traffic and incident management systems in Seattle, Washington could diminish delay by 1 to 7 percent, reduce stops by about 5 percent, lower travel time variability by 2.5 percent, and improve trip time reliability by 1.2 percent.(September 1999)

Weather-related traffic signal timing along a Minneapolis/St. Paul corridor reduced vehicle delay nearly eight percent and vehicle stops by over five percent.(1999)

In Japan, upgrading traffic signals improved travel times by 17 to 21 percent and increased average speed by 19 to 21 percent.(March 1998)

Installing new traffic signals in Japan reduced crash frequency by 75 to 78 percent and upgrading existing traffic signals reduced accidents up to 65 percent.(March 1998)

In the St. Paul, Minnesota region ramp metering has increased throughput by 30 percent and increased peak period speeds by 60 percent.(November 1997)

Simulation of a network based on the Detroit Commercial Business District indicated that adaptive signal control for detours around an incident could reduce delay by 60 to 70 percent and that travel times can be reduced by 25 to 41 percent under non-incident conditions. (June 1997)

The delay reduction benefits of improved incident management in the Greater Houston area saved motorists approximately $8,440,000 annually. (7 February 1997)

The Institute of Transportation Engineers (ITE) estimates that traffic signal improvements can reduce travel time by 8 to 25 percent. (1997)

An advanced signal system in Richmond, Virginia reduced travel time by 9 to 14 percent, decreased total delay by 14 to 30 percent, and reduced stops by 28 to 39 percent.(June 1996)

An advanced signal system in Richmond, Virginia reduced fuel consumption by 10 to 12 percent and decreased vehicle emissions by 5 to 22 percent.(June 1996)

Fuel consumption fell by 13 percent and vehicle emissions were reduced by 14 percent due to a computerized signal control system in Los Angeles, California.(June 1994)

A computerized signal control system in Los Angeles, California increased average speed by 16 percent, reduced travel time by 18 percent, decreased vehicle stops by 41 percent, and reduced delay by 44 percent. (June 1994)

The cost to implement a red-light extension (RLE) system on two major approaches to a single four-way signalized intersection was estimated at $16,500.(January 2016)

One-time capital costs for controller-based high resolution data collection systems were estimated at $3,120 per intersection.(03/01/2014)

Deploying an advanced signal control system for 110 blocks in Midtown Manhattan cost $1.6 million.(August/September 2012)

Capital costs for various Adaptive Signal Control Technology deployed across the U.S range from $8,000 to $60,000.(02/04/2011)

Annual maintenance costs for a traffic signal control system upgraded from five non-coordinated actuated signals to five coordinated actuated signals is $2,434.40.(September 2010)

The capital cost to install a next generation transit signal priority system in the Portland area was estimated at $500,000.(06/01/2010)

In Spokane, Washington, the cost of integrating ITS field devices with fiber optic links and a microwave link was $1,837,251.(June 2009)

In Spokane Washington, the cost of the Regional Traffic Management Center Enhancements project was $1,238,679.(June 2009)

The cost to deploy a new traffic management system in Espanola, New Mexico was $862,279.(September 2, 2008)

The National Transportation Operators Coalition estimates that upgrading and retiming the US's traffic signals over 10 years would cost $1.125 billion annually(December 31, 2007)

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)

The average cost to retime signals under the MTC (California) program is $2,400 per intersection.(6 October 2006)

For the Denver Regional Council of Governments, the cost to time signals ranges from $1,800 to $2,000 per intersection.(October 2006)

The cost of retiming 16 signals at the Mall of Millenia (Florida) was about $3,100 per intersection.(October 2005)

A rough estimate for four retiming plans (AM, noon, PM, and off peak periods) ranges from $2,000 to $2,500 per intersection.(7-10 August 2005)

The annualized life-cycle costs for full ITS deployment and operations in Tucson were estimated at $72.1 million. (May 2005)

A modeling study evaluated the potential deployment of full ITS capabilities in Cincinnati. The annualized life-cycle cost was estimated at $98.2 million.(May 2005)

The annualized life-cycle costs for full ITS deployment and operations in Seattle were estimated at $132.1 million.(May 2005)

From The National Traffic Signal Report Card: costs to update signal timing is $3,000 per intersection.(2005)

TMC central hardware costs can exceed $200,000 if regional communications and system integration are required.(5 August 2004)

The cost of retiming traffic signals in the Washington, DC area is about $3,500 per intersection.(April 2004)

The $106 million capital cost for CommuterLink - the Salt Lake City, Utah advanced transportation management system - includes numerous components such as a signal system, ramp metering, traveler information dissemination, traffic surveillance and monitoring, and fiber optic network.(March 2004)

In Lake County, Illinois, TMC physical components cost $1.8 million.(September 2003)

To improve air quality in downtown Syracuse, the New York State DOT deployed a computerized traffic signal system and optimizd the signal timing of 145 intersections at a total project costs of $8.3 million.(September 2003)

The city of Indianapolis, Indiana, upgraded more than 220 of its intersections with advanced signal controller systems and connected them to a central computer system for $5.1 million.(28 January 2002)

Nineteen metropolitan North Seattle, Washington city signal systems were integrated at a cost of $1,755,000.(30 May 2000)

The costs of the Integrated Corridor Management Project (ICTM), deployed on an 8-mile section of the I-494 transportation corridor south of the Twin Cities in Minnesota, was $9 million.(April 2000)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

MicrowaveTraffic Detector - Capital cost/unit - $9638(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Communications Equipment - Capital cost/unit - $9638(2/12/2013)

Traffic Detector Communications Equipment - Capital cost/unit - $9638(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Communications Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Communications Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

MicrowaveTraffic Detector - Capital cost/unit - $9638(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $1600(2/12/2013)

Traffic Detector Equipment - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $500(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Detector - Capital cost/unit - $3132(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Traffic Loop Equipment - Capital cost/unit - $6909(2/12/2013)

Video Detection - Capital cost/unit - $3132(2/12/2013)

Communications equipment - shelter - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Communications wireless - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller communications - modem - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - shelter - O&M cost/unit - $63.15(2/4/2013)

Signal control timing - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller - system software - O&M cost/unit - $63.15(2/4/2013)

Signal controller communications - O&M cost/unit - $63.15(2/4/2013)

Signal controller - communications equipment - O&M cost/unit - $63.15(2/4/2013)

Signal controller - communications equipment - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - shelter - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller - communications equipment - O&M cost/unit - $63.15(2/4/2013)

Signal controller - communications equipment - O&M cost/unit - $63.15(2/4/2013)

Signal control timing - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Communications equipment - cabinet - O&M cost/unit - $63.15(2/4/2013)

Signal controller assembly - O&M cost/unit - $63.15(2/4/2013)

Signal controller communications hardware - O&M cost/unit - $63.15(2/4/2013)

Signal controller - communications equipment - O&M cost/unit - $63.15(2/4/2013)

Signal control timing - O&M cost/unit - $63.15(2/4/2013)

Traffic Detection (Sensor) - Capital cost/unit - $291(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Video Detection - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Ethernet Switch - Capital cost/unit - $2186.76(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Repeater - Capital cost/unit - $2186.76(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Detection - Capital cost/unit - $1100(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Video Detection - Capital cost/unit - $1100(2013)

Fiber Optic Transceiver - Capital cost/unit - $2186.76(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Directional Antenna - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Access Point - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Video Detection - Capital cost/unit - $1100(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Video Detection - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Video Detection - Capital cost/unit - $1100(2013)

Traffic Detection (Sensor) - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Fiber Optic Splice - Capital cost/unit - $2186.76(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Traffic Detection (Sensor) - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Directional Antenna - Capital cost/unit - $1100(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Fiber Optic Snowshoe - Capital cost/unit - $2186.76(2013)

Traffic Detection Loop - Capital cost/unit - $291(2013)

Wireless Communications Interconnect - Capital cost/unit - $6000(2013)