Freeway Management > Surveillance > Traffic
In Finland, a benefit-cost analysis supported the deployment of weather information controlled variable speed limits on highly trafficked road segments.(25 March 2006)
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)
A simulation study of the road network in Seattle, Washington demonstrated that providing information on arterials as well as freeways in a traveler information system reduced vehicle-hours of delay by 3.4 percent and reduced the total number of stops by 5.5 percent.(6-9 November 2000)
A simulation study of the road network in Seattle, Washington demonstrated that providing information on arterials as well as freeways in a traveler information system increased throughput by 0.1 percent.(6-9 November 2000)
A simulation study indicated that vehicle throughput would increase if arterial data were integrated with freeway data in an Advanced Traveler Information System in Seattle, Washington. (September 1999)
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)
Advanced traffic management systems in Amsterdam and Germany reduced crash rates by 20 to 23 percent.(August 1999)
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)
Evaluation Report for ITS for Voluntary Emission Reduction: An ITS Operational Test for Real-Time Vehicle Emissions Detection(May 1997)
In Toronto, the COMPASS traffic monitoring and incident information dissemination system on Highway 401 decreased the average incident duration from 86 to 30 minutes per incident.(1997)
In Long Island, New York, ramp metering and traveler information increased freeway speeds by 13 percent despite an 5 percent increase in vehicle-miles traveled during PM peak periods.(January 1992)
Florida DOT District IV 2006 budget supports a variety of SMART SunGuide transportation management center programs.(January 2007)
In Finland, the average implementation cost for a weather responsive roadside VSL system on a dual carriageway was estimated at 80,000€; average maintenance costs (including replacement costs) were estimated at 3,500 €/km/year. (25 March 2006)
Florida DOT District IV 2005 budget supports a variety of SMART SunGuide transportation management center programs.(31 January 2006)
The cost of O&M at the Arizona TMC was estimated at $2 million per year.(January 2006)
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)
Based on data from Florida DOT, the initial costs of a CCTV video camera site ranges from $16,550 to $27,550. Pole height, site spacing, and other design and maintenance issues factor into the life cycle costs.(25 November 2003)
In Lake County, Illinois, TMC physical components cost $1.8 million.(September 2003)
Life cycle cost of four options for a communications network connecting ITS field devices to the Illinois DOT District 8 Traffic Operations Center range from $43 million to $52.5 million.(May 2003)
The capital cost of the TRANSMIT traffic surveillance and incident detection system was estimated at $975,200.(November 1999)
Recognize that deployment delays can lead to a ripple effect of challenges that affect project deployment progress.( 2 March 2007)
Develop a project champion succession plan within participating organizations to avoid orphaning a project.( 2 March 2007)
Beware that inter-agency funding arrangements can lead to delays in awarding and executing project contracts.( 2 March 2007)
Build a strong partnership between transportation and public safety agencies, and establish clear operational rules from the start.(July 2006)
Promote local use of archived data for performance monitoring as a means of improving the interpretation of system performance at the national level. (10/1/2004)
Use ITS to implement a reliable communications system in work zones.(1/1/2004)
Ensure initial and ongoing success of ITS deployments by providing sufficient start-up time, maintaining flexibility, and performing maintenance needs in-house.(1/1/2004)
Integrate freeway and alternate route operations to achieve greater benefits.(6/1/2001)
Use tested and effective traffic management systems for Transportation Management Centers (TMCs). (10/1/1999)
