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Arterial Management > Surveillance > Traffic


Many of the services possible through arterial management systems are enabled by traffic surveillance and detection technologies, such as sensors or cameras, monitoring traffic flow.


System costs for advanced signal operating strategies and automated roadside safety warning systems have been projected for upstate California.(06/14/2019)

System costs for TMC construction and integration of communication systems were projected for upstate California; capital costs were estimated at $1.2 million per facility.(06/14/2019)

In Detroit, the design and construction of traffic signal interconnection upgrades, DSRC field infrastructure, and communication systems designed to support CV applications cost $1.33 million on a 6-mile corridor and $1.42 million on a 12-mile corridor.(3/25/2019)

A fiber optic communications network supporting traffic operations on a 17 mile section of US-24 in Colorado was estimated to cost $2.5 million.(2019)

City-wide vehicle detection, remote signal control, and wireless broadband radio at 63 intersections cost $1.5 million.(11/17/2017)

Video-based vehicle detection technology installed at 17 intersections was estimated to cost $350,910.(03/21/2016)

Statewide annual O&M for 410 CCTV cameras and 139 DMS units was estimated at $525,685 and $233,037, respectively.(10/23/2014)

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

Initial deployment of Bluetooth-based travel time measurement budgeted for $238,004(October 2010)

In Edmonds, Washington, connecting six arterial traffic signals and five CCTV cameras to a central signal system cost $90,000.(June 2009)

In Snohomish County, Washington, interconnecting five traffic signals and three CCTV cameras to a central signal system cost $91,000.(June 2009)

In Wenatchee, Washington, the construction of a Transportation Management Center (TMC) and the installation of the associated ITS field equipment cost $460,000.(June 2009)

In Kent, Washington, the cost of connecting five arterial traffic signals and five CCTV cameras to a central signal system and another traffic management center was $92,000.(June 2009)

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

Monroe County, NY, deployed five CCTV cameras at high priority intersections at a cost of $279,338.(August 2006)

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

Two California cities opt to transmit real-time video over existing copper-based communications infrastructure at a cost of $96,000 compared to $161,000 if new fiber optic cable alternative selected.(May 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)

The city of Colorado Springs, Colorado spent about $5.6 million to replace in-pavement loops with video detection at 420 intersections.(September 2003)

The cost of stage one of the Watt Avenue ITS corridor in Sacramento, California was estimated at $1.5 million.(May 2003)

At a cost of $65,000, Washington State DOT added a traffic camera system to fight congestion at two of the busiest intersections in the Puget Sound area.(4 December 2002)

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)

Fiber Optic Backhaul - Capital cost/unit - $200000(06/14/2019)

Cellular Modem - Capital cost/unit - $200000(06/14/2019)

Advanced Signal Control - Pedestrian Detection - Capital cost/unit - $40000(06/14/2019)

Advanced Signal Control - Pedestrian Detection - Capital cost/unit - $40000(06/14/2019)

Connected Vehicle Local Management Station Firmware License - Capital cost/unit - $1750(07/01/2018)

Connected Vehicle (V2X) Roadside Equipment (RSE) at Intersection - O&M cost/unit - $2000(07/01/2018)

DSRC Roadside Unit (RSU) - Capital cost/unit - $5250(07/01/2018)

Connected Vehicle (V2X) Roadside Equipment (RSE) at Intersection - O&M cost/unit - $3000(07/01/2018)

Connected Vehicle Central Management Station Network Firmware License - Capital cost/unit - $300(07/01/2018)

DSRC Roadside Unit - Capital cost/unit - $7450 - Lifetime - 5 years(11/13/2017)

DSRC Roadside Unit - Capital cost/unit - $7450 - Lifetime - 5 years(11/13/2017)

CCTV Surveillance System - Capital cost/unit - $6565(01/25/2017)

CCTV Surveillance System - Capital cost/unit - $6565(01/25/2017)

CCTV Surveillance System - Capital cost/unit - $6565(01/25/2017)

CCTV Surveillance System - Capital cost/unit - $6565(01/25/2017)

CCTV Surveillance System - Capital cost/unit - $6565(01/25/2017)

Video-based vehicle detection at intersection - Capital cost/unit - $4200(03/21/2016)

Video-based vehicle detection at intersection - Capital cost/unit - $4200(03/21/2016)

Video-based vehicle detection at intersection - Capital cost/unit - $4200(03/21/2016)

Video-based vehicle detection at intersection - Capital cost/unit - $4200(03/21/2016)

Video-based vehicle detection at intersection - Capital cost/unit - $4200(03/21/2016)

Video-based vehicle detection at intersection - Capital cost/unit - $4200(03/21/2016)

Roadside Equipment for DSRC - Capital cost/unit - $7450 - Lifetime - 5 years(09/01/2015)

Loop Detector - Capital cost/unit - $216(05/12/2015)

Loop Detector - Capital cost/unit - $216(05/12/2015)

Loop Detector - Capital cost/unit - $216(05/12/2015)

Loop Detector - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

Loop Detector Wire - Capital cost/unit - $216(05/12/2015)

CCTV Video Camera Assembly - Capital cost/unit - $17600(2/12/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - loop detector wire install - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - loop detector wire install - Capital cost/unit - $777.53(2/4/2013)

CCTV camera - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - solar power unit - Capital cost/unit - $777.53(2/4/2013)

CCTV camera - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - solar power unit - Capital cost/unit - $777.53(2/4/2013)

Loop detector wire assembly - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Vehicle detector - microwave - Capital cost/unit - $777.53(2/4/2013)

Loop detector wire assembly - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - modem - Capital cost/unit - $777.53(2/4/2013)

Vehicle detector - magnetic - Capital cost/unit - $777.53(2/4/2013)

Loop detector wire assembly - Capital cost/unit - $777.53(2/4/2013)

Loop detector wire assembly - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Loop detector wire assembly - Capital cost/unit - $777.53(2/4/2013)

CCTV camera - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - logic hardware and connection - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Vehicle detector - video - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

Loop detector wire assembly - Capital cost/unit - $777.53(2/4/2013)

Traffic surveillance site - cabinet - Capital cost/unit - $777.53(2/4/2013)

CCTV Equipment - Capital cost/unit - $600(2013)

Fiber Optic Cable - Capital cost/unit - $7998.8(2013)

CCTV - Capital cost/unit - $9452(2013)

Conduit 2" PVC - Capital cost/unit - $7998.8(2013)

Loop Detector - Capital cost/unit - $600(2013)

Fiber Optic Drop - Capital cost/unit - $7998.8(2013)

CCTV - Capital cost/unit - $4591.29(2013)

CCTV - Capital cost/unit - $9452(2013)

Ethernet Switching Station - Capital cost/unit - $7998.8(2013)

Conductor Cable - Capital cost/unit - $7998.8(2013)

CCTV Camera - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV Video Camera - Capital cost/unit - $7998.8(2013)

Loop Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV Surveillance System - Capital cost/unit - $9452(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV - Capital cost/unit - $4591.29(2013)

Vehicle Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

Driver and Vehicle Safety Sensors - Capital cost/unit - $4000(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV - Capital cost/unit - $9452(2013)

Roadside Equipment Cabinet - Capital cost/unit - $7998.8(2013)

Loop Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $4591.29(2013)

Driver and Vehicle Safety Sensors - Capital cost/unit - $4000(2013)

Fiber Termination Rack - Capital cost/unit - $7998.8(2013)

CCTV - Capital cost/unit - $9452(2013)

Fiber Optic Cable - Capital cost/unit - $7998.8(2013)

Loop Detector - Capital cost/unit - $600(2013)

Encoder - Capital cost/unit - $7998.8(2013)

CCTV Control Cable - Capital cost/unit - $7998.8(2013)

Loop Detector - Capital cost/unit - $600(2013)

CCTV Camera Lowering System - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

Loop Detector - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

Communications Network Server - Capital cost/unit - $525(2013)

CCTV Pole - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

Vehicle Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV - Capital cost/unit - $9452(2013)

Loop Detector - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV Pole Site Installation - Capital cost/unit - $7998.8(2013)

CCTV Camera - Capital cost/unit - $20(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV Field Equipment Cabinet - Capital cost/unit - $600(2013)

CCTV Control Cable - Capital cost/unit - $7998.8(2013)

CCTV camera - Capital cost/unit - $600(2013)

Loop Detector - Capital cost/unit - $600(2013)

CCTV - Capital cost/unit - $4591.29(2013)

CCTV Base Structure - Capital cost/unit - $600(2013)

Modem - Capital cost/unit - $7998.8(2013)

CCTV - Capital cost/unit - $9452(2013)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $3500(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $3500(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

Camera Foundation - Capital cost/unit - $3500(01/01/2012)

Camera Foundation - Capital cost/unit - $3500(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

CCTV Camera - Capital cost/unit - $12200(01/01/2012)

Veh. Detection Stat. - Rural - Capital cost/unit - $103000 - O&M cost/unit - $2500 - Lifetime - 25 years(2007)

Closed Circuit Television (CCTV) - Capital cost/unit - $102816 - O&M cost/unit - $3440 - Lifetime - 10 years(2007)

Veh. Detection Stat. - Urban - Capital cost/unit - $103000 - O&M cost/unit - $2500 - Lifetime - 25 years(2007)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $500(2009)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

CCTV Video Camera - Capital cost/unit - $5000 - O&M cost/unit - $2000(January 2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

CCTV Video Camera - Capital cost/unit - $5000 - O&M cost/unit - $2000(January 2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

Traffic Detector - Capital cost/unit - $17750(2008)

CCTV Video Camera Tower - Capital cost/unit - $5000 - O&M cost/unit - $30 - Lifetime - 10 years(06/30/2006)

CCTV Video Camera - Capital cost/unit - $6400 - O&M cost/unit - $30 - Lifetime - 10 years(06/30/2006)

CCTV Video Camera - Capital cost/unit - $30000 - O&M cost/unit - $1500 - Lifetime - 10 years(7/5/2005)

CCTV Video Camera Tower - Capital cost/unit - $20000 - Lifetime - 50 years(7/5/2005)

Pole w/lowering device - Capital cost/unit - $5000 - Lifetime - 25 years(7/5/2005)

CCTV Video Camera - Capital cost/unit - $20000 - O&M cost/unit - $200 - Lifetime - 10 years(6/30/2005)

Video Displays for Traffic Surveillance - Capital cost/unit - $25000 - O&M cost/unit - $500 - Lifetime - 10 years(6/30/2005)

Wireless Communications, Medium Usage - Capital cost/unit - $8000 - O&M cost/unit - $200 - Lifetime - 10 years(6/30/2005)

Inductive Loop Surveillance at Intersection - Capital cost/unit - $1440 - O&M cost/unit - $710 - Lifetime - 8 years(5 August 2004)

CCTV Video Camera Pole - Capital cost/unit - $8700 - Lifetime - 20 years(5 August 2004)

Inductive Loop Surveillance at Intersection - Capital cost/unit - $12000(5 August 2004)

CCTV Video Camera - Capital cost/unit - $14000(5 August 2004)

Machine Vision Sensors at Intersection - Capital cost/unit - $18000 - O&M cost/unit - $236.76 - Lifetime - 8 years(5 August 2004)

Probe Surveillance – Roadside Transponder Reader - Capital cost/unit - $32000 - O&M cost/unit - $1000(5 August 2004)

CCTV Video Camera Pole - Capital cost/unit - $8700(5 August 2004)

Machine Vision Sensors at Intersection - Capital cost/unit - $18500(5 August 2004)

Probe Surveillance – License Plate Reader - Capital cost/unit - $30000 - O&M cost/unit - $800(5 August 2004)

Machine Vision Sensors at Intersection - Capital cost/unit - $16000 - O&M cost/unit - $592.25 - Lifetime - 8 years(5 August 2004)

Cabinets - Capital cost/unit - $6700 - Lifetime - 10 years(7/22/2004)

CCTV Video Camera Tower - Capital cost/unit - $1700 - Lifetime - 10 years(7/22/2004)

Encoders - Capital cost/unit - $5200 - Lifetime - 5 years(7/22/2004)

CCTV Video Camera - Capital cost/unit - $5600 - Lifetime - 10 years(7/22/2004)

CCTV Video Camera - Capital cost/unit - $3200 - O&M cost/unit - $500 - Lifetime - 8 years(09/2/2003)

Closed Circuit Television (CCTV) camera - Capital cost/unit - $20000(September 2003)

Automatic Passenger Counter (APC) system - Capital cost/unit - $7450 - Lifetime - 5 years(June 2003)

Automatic Passenger Counter (APC) system - Capital cost/unit - $7450 - Lifetime - 5 years(June 2003)

Automated Passenger Counter (APC) system - Capital cost/unit - $7450 - Lifetime - 5 years(June 2003)

Greater adoption of CAV may result in long-term benefits but mid-term fluctuations for costs and congestion, according to predictive model.(01/11/2019)

Greater adoption of CAV may result in long-term benefits but mid-term fluctuations for costs and congestion, according to predictive model.(01/11/2019)

CAVs are expected to decrease congestion up to 50 percent, increasing the effective capacity of urban networks leading to a new equilibrium with more users but with negligibly less congestion than the current system.(01/11/2019)

Bluetooth-based detection systems coupled with flashing beacons activated by approaching school buses is the most cost-effective strategy to enhance safety at school bus stops.(January 2017)

ICM diversion route strategies can reduce average delay up to 26 percent, reduce average number of stops up to 42 percent, and increase average speeds up to 9 percent on arterials with traffic signal control.(07/01/2013)

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)

Bluetooth technology helps capture real-time, accurate travel time along arterials(October 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 Monroe County, New York, the closed-circuit television (CCTV) camera provided traffic operators the availability of visual information so they can examine real time incident conditions and provide a higher and more responsive quality of service to the traveling public.(August 2006)

License plate recognition system successful in monitoring travel times, leading to reduced congestion in work zone.(October 2004)

A model indicated that an advanced transportation management and traveler information system serving northern Kentucky and Cincinnati reduced crash fatalities by 3.2 percent during peak periods.(4-7 June 2001)

Modeling indicated that an advanced transportation management and traveler information system serving northern Kentucky and Cincinnati reduced delay by 0.2 minutes per trip during AM peak periods and by 0.6 minutes during PM peak periods. (4-7 June 2001)

Modeling found emissions reductions of 3.7 to 4.6 percent due to an advanced transportation management and traveler information system serving northern Kentucky and Cincinnati.(4-7 June 2001)

Simulation results indicated that vehicle emissions could be reduced by two percent if arterial traffic flow data were included in the traveler information system in Seattle, Washington.(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)

A model determined that incorporating arterial traffic flow data into the traveler information system in Seattle, Washington could decrease the number of stops by 5.6 percent.(30 May 2000)

Users of the Advanced Traveler Information System in Seattle, Washington were satisfied with the information on freeway and transit conditions provided via Web sites and a Traffic TV service.(30 May 2000)

More than 99 percent of surveyed users said they benefited from information provided by an advanced transportation management system and traveler information system serving northern Kentucky and Cincinnati. (June 1999)

Provide commuters with predictive traffic measures to improve trip planning and reduce congestion during peak hours.(05/17/2019)

Greater adoption of CAV may result in long-term benefits but mid-term fluctuations for costs and congestion, according to predictive model.(01/11/2019)

During system testing, CV Pilot sites discover the importance of having expertise in detecting and mitigating interferences with radio frequency and GPS signals(12/13/2018)

Refine institutional arrangements when deploying connected vehicle technology to outline the expectations of partners in terms of service, outcomes and reporting.(12/13/2018)

Refine proper antenna placement on connected vehicles (particularly commercial vehicles) to reduce DSRC ‘shadow’ areas where DSRC signal is degraded.(12/13/2018)

Connected vehicle deployers are encouraged to utilize multi-vendor outsourcing and to source suppliers early to create a collaborative environment that enables as much parallel work as possible.(12/13/2018)

Connected vehicle deployers should assess field equipment and organizational capabilities that will be needed to support core CV components.(12/13/2018)

A Federal report highlights best practices for ITS programs that plan to implement connected vehicle (CV) technology.(07/01/2018)

USDOT Identifies Effective Ownership and Governance Model Areas of Interest for a Full-Scale SCMS deployment for Connected Vehicles.(06/22/2018)

Perform early real-world testing of connected vehicle technology with actual infrastructure in place to verify end-to-end system/application performance (10/02/2017)

Deploy arterial travel time detection systems incrementally to allow time to identify issues and fine-tune performance.(04/01/2013)

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)

Use vehicle probes to monitor traffic cost-effectively, manage incidents and queue ups proactively, reduce delays, and increase traveler satisfaction along a multi-state transportation corridor.(August 12, 2010)

Beware of costs, utility, reliability, and maintenance issues in deploying a statewide transportation network monitoring system. (01/30/2009)

Beware of the limitations of using toll tags in order to calculate travel time on limited access roadways and arterials. (01/30/2009)

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)

Beware that modeling may not be a suitable substitute for before-after studies of ITS integration projects.(14 May 2008)

Improve overall usefulness of a closed-circuit television (CCTV) camera by expanding the coverage, color-vision features, and operational availability of the camera. (August 2006)

Beware of the likely trade-off between a decrease in the frequency of right-angle crashes and an increase in the frequency of rear-end crashes when considering installation of red-light-cameras.(April 2005)

Identify methods to distribute automated vehicle identification tags to improve market penetration when collecting arterial travel speed information.(October 2000)

Forge a partnership among the local public sector agencies managing transportation operations along a multi-jurisdictional corridor and the private sector for deployment and integration of ITS.(April 2000)

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