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PTV demonstrates new 'Strategic Routing' system

PTV (Planung Transport Verkehr), of Karlsruhe, Germany, has developed a new navigation system, known as ‘Strategic Routing’, as part of the European Union-sponsored CVIS (Cooperative Vehicle-Infrastructure Systems) research project. At a public presentation yesterday (November 18), Siemens, Ertico and PTV showed their results on ‘cooperative’ systems, with live driving demonstrations on the Dortmund test area. They demonstrated the interaction between vehicles, infrastructure and traffic management centers. Public authorities will now be able to use PTV’s new technologies and stored transportation strategies to influence route recommendations. As a result, traffic flows freely through specified routes, avoiding congestion. The use of pre-set strategies means that navigation systems will no longer guide the driver through residential areas.

If an incident occurs, the central strategic routing installation (traffic control center) sends the client requesting the route (a mobile device) a dynamically strategic alternative route. The driver also receives information on the incident which activated the strategy. The information flow occurs mutually between vehicle and control center. Information is provided on traffic situations which lead to pre-defined strategies being triggered. These are sent by the individual vehicles as message to the control center and visualized there. The strategies, pre-planned by experts, are available in the control center. They are activated and sent to the vehicle depending on the traffic situation, or as part of a planned traffic control scenario, for example during bridge work.

“The major advantage of strategic routing is the prompt availability of route information,” explains Dr Michael Ortgiese, who is responsible for research at PTV. Until now, dynamic routing has been working with time delays, as it only comes into action after disruptions have occurred. The strategic version informs the driver in advance and traffic can be controlled as required. “This will create immense added value for traffic control, not only in city centers, but also in surrounding areas for roadworks or major events,” Ortgiese says. The technology for cooperative traffic and transportation management in inner-city areas was developed and tested as part of the CVIS sub-projects, COMO (Cooperative Monitoring) and CURB (Cooperative Urban Applications).
 

November 19, 2009

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