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Introducing “Strategic Routing”

Good news for residents of Dortmund. New routing procedures clear the way for alternative route recommendations, without routing traffic through residential areas. The PTV AG transportation experts from Karlsruhe have developed this trendsetting technology as part of the CVIS project. It was presented to the public on 12 November 2009 with live driving demonstrations on the Dortmund test area.  

In a final presentation, Siemens, the City of Dortmund and PTV will present their results on "cooperative" systems. This concerns the interactions between vehicles, infrastructure and traffic management centres. The implemented procedure is a technological milestone for cities, counties and regions. For the first time, public authorities are able use PTV's new technologies and stored transportation strategies to influence route recommendations. As a result, traffic flows freely through specified routes, avoiding congestion. For example, navigation systems will no longer guide the driver through residential areas - meaning that congested city centres could soon be a thing of the past.

“The major advantage of strategic routing is the prompt availability of route information,” explains Dr. Michael Ortgiese, 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. Michael Ortgiese is convinced, "This will create immense added value for traffic control, not only in city centres, but also in surrounding areas for roadworks or major events".

How does strategic routing work?

The crucial question here is: How can traffic and transportation strategies be managed and communicated in the future? The answer is: using a specially developed strategy workplace. PTV has now laid the necessary groundwork.

The central strategic routing installation sends the client requesting the route (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 centre. Information is provided on traffic situations which lead to pre-defined strategies being triggered. Examples of these are "Congestion", "Tailback dispersed" or "Slippery roads". These are sent by the individual vehicles as message to the control centre and visualised there. The strategies planned by experts are available in the control centre. They are activated and sent to the vehicle depending on the traffic situation or as planned traffic control scenario, for example during bridge work.


For further information, please visit the PTV website, or contact the information point

Partners involved in the CVIS Dortmund test site

  • PTV Planung Transport Verkehr AG, Karlsruhe: New routing procedure, strategic routing, development of groundwork for traffic control strategy workplace

  • Siemens AG: Priority application, dynamic priority placement for public authority vehicles such as police or ambulances

  • City of Dortmund: Traffic management centre and infrastructure for the Dortmund field test

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Last modification: 28 April 2010


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