Traffic Incident Management > Information Dissemination > Dynamic Message Signs
In Georgia, the NaviGAtor incident management program reduced the average incident duration from 67 minutes to 21 minutes, saving 7.25 million vehicle-hours of delay over one year. (August 2006)
In Georgia, the HERO motorist assistance patrol program and NaviGAtor incident management activities saved more than 187 million dollars yielding a benefit-to-cost ratio of 4.4:1.(August 2006)
In Georgia, the Navigator incident management program reduced secondary crashes from an expected 676 to 210 in the twelve months ending April 2004.(August 2006)
In Georgia, the NaviGAtor incident management program reduced annual fuel consumption by 6.83 million gallons, and contributed to decreased emissions: 2,457 tons less Carbon monoxide, 186 tons less hydrocarbons, and 262 tons less Nitrous oxides.(August 2006)
In Atlanta, satisfaction with motorist assistance patrols ranged from 93 to greater than 95 percent in two separate surveys of drivers who were already aware of the service.(August 2006)
Simulation revealed that a freeway management system in Fargo, North Dakota could reduce network travel times by 8 percent and increase speeds by 8 percent when DMS are used to warn drivers of incidents.(6-10 August 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)
In San Antonio, Texas, focus group participants felt that DMS were a reliable source of traffic information.(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)
Incident Management Simulation on a Freeway Corridor in Honolulu(8-12 November 1999)
In Japan, a real-time incident detection and warning system installed on a dangerous curve on the Hanshin Expressway decreased the rate of secondary crashes by 50 percent.(October 1997)
In Brooklyn, an incident management system on the Gowanus and Prospect Expressways used CCTV, highway advisory radio, dynamic message signs, and a construction information hotline to improve average incident clearance time by about one hour, a 66 percent improvement.(May 1997)
The delay reduction benefits of improved incident management in the Greater Houston area saved motorists approximately $8,440,000 annually.
(7 February 1997)
Driver confidence in traveler information improved after implementation of the TransGuide freeway management system in San Antonio, Texas.(12-16 January 1997)
In San Antonio, Texas, a freeway management system reduced fuel consumption by and estimated 2,600 gallons per major incident resulting in an annual savings of 1.65 million dollars.(12-16 January 1997)
In San Antonio, Texas, a freeway management system led to an estimated delay savings of 700 vehicle-hours per major incident.(12-16 January 1997)
Following deployment of the TransGuide freeway management system in San Antonio, Texas, crash frequency was reduced by 41 percent and incident response time decreased by 20 percent.(12-16 January 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)
Florida DOT District IV 2006 budget supports a variety of SMART SunGuide transportation management center programs.(January 2007)
The Pennsylvania (PA) Turnpike Commission expanded its statewide advanced traveler information system (ATIS) to better inform motorists of traffic, weather, and emergency conditions along the PA Turnpike. The overall project cost was $8.2 million.(April 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)
TMC central hardware costs can exceed $200,000 if regional communications and system integration are required.(5 August 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 integrated freeway/incident management system covering 28.9 miles in San Antonio was deployed for approximately $26.6 million.(May 2000)
Adopt best practices for integrating emergency information into Transportation Management Center (TMC) operations to improve performance and increase public mobility, safety and security.(2/28/2006)
Invest in research and development for emergency integration.(2/28/2006)
Extend the application of emergency integration best practices to further improve emergency operations.(2/28/2006)
Integrate weather information into Transportation Management Center (TMC) operations to enhance the ability of operators to manage traffic in a more responsive and effective way during weather events.(2/28/2006)
Treat maintenance staff as customers and beneficiaries of ATIS information.(5/1/2005)
Treat system operators as the client and consider their perspectives during ATIS project development.(5/1/2005)
Consider how implementing an ATIS system will impact staffing and training requirements.(5/1/2005)
Consider that ATIS deployment in rural and/or remote areas presents special challenges.(5/1/2005)
Limit CMS message length to allow for adequate reading time at high speeds.(5/27/2004)
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)
Adopt adequate and thorough procurement processes which cover purchases of both standardized commodity type equipment and highly complex integrated ITS components.(9/23/2003)
Consider potential system enhancements to meet heavy demand.(4/1/2003)
Define your agency's expectations of a new system and a robust set of system requirements and then choose the software that meets your requirements.(4/1/2003)
Deploy ITS systems strategically to achieve benefits.(6/1/2001)
Integrate freeway and alternate route operations to achieve greater benefits.(6/1/2001)
Use ITS Standards to achieve interchangeability and interoperability for Dynamic Message Signs.(Spring 2001)
Consider reconfiguring and integrating existing roadway management IT systems whenever possible to save costs associated with implementing new systems.(10/1/2000)
Utilize well-equipped safety service patrols to assist highway motorists after vehicle malfunctions or crashes, and to coordinate a safe and efficient response.(1/1/1999)
Provide consistent and high-quality information to influence traveler behavior.(6/1/1998)
