The state capital Dusseldorf provides automatically generated traffic reports via MDM, e.g. current tunnel closures. Public and private providers can thus access this information quicker and directly. A system unparalleled throughout Germany.
The aim of the City of Dusseldorf Office for Traffic Management, is to automatically generate and publish local traffic reports for improved traffic control. Spreading news via classic channels like traffic news and TMC is limited, e.g. TMC has limited its report volume to only around 100 reports for the whole of NRW (North Rhine Westphalia). While neither a high proportion of traffic news nor its fine distribution were possible, this was required by the City of Dusseldorf, since even small local congestions can have serious impacts on the overall traffic flow.
MDM offered a solution. Information on congestions, roadworks and park guiding systems, as well as traffic systems is processed automatically in the traffic and tunnel control centre in Dusseldorf and transmitted to MDM. Due to automation this happens within a matter of seconds. Mistakes and errors that are inherent to manual processing are eliminated. Instant generation of traffic reports is particularly advantageous with regards to tunnel safety. Car drivers are directly informed about closures or risks of the three municipal road tunnels (Rheinufertunnel, Rheinalletunnel, Köbogen- Tunnel) and can divert.
The City of Dusseldorf is the national forerunner regarding automation of traffic news. The system has been in use for approximately three years. Currently, a connection to motorway tunnels of the A46, the university tunnel and the Wersten tunnel is in progress, so that in case of disruptions in the motorway tunnels, information about closures of access routes is provided at junctions and appropriate diversions are announced.
MDM provides traffic news to public and private providers, as e.g. TomTom. A whole range of providers for the automotive industry obtains information from TomTom for their respective navigation systems. The City of Dusseldorf benefits in particular from the easy connection of third parties via standardised DATEX II data modules, high IT security and good market penetration.
The system can best be explained by the direct coupling with the tunnel control: As soon as a tunnel portal traffic light is changed- triggered either manually or automatically-, a signal is transmitted to the traffic control centre computer. The computer system then decides on the basis of traffic management whether or not the change of the traffic light status should trigger a traffic report. The automatically generated report, e.g. hazard in tunnel, is transmitted and available to MDM. While smaller service providers are also connected to the system, TomTom certainly has the highest distribution impact.
Road users in the Dusseldorf area thus receive their respective traffic reports in a fast and reliable manner. For instance, at the Rheinalleetunnel, 58,000 vehicles a day are concerned. Their drivers can receive up-to-date and relevant information, provided their vehicles are equipped with modern navigation systems. Revocation of traffic disruptions that is often neglected during manual input, are also reliably reported via the existing automation.
You can find a more detailed article in: Studiengesellschaft für unterirdische Verkehrsanlagen e.V (Hg.): Forschung + Praxis 46 (Vorträge der STUVA-Tagung), Wilhelm Ernst & Sohn, Verlad für Architektur und technische Wissenschaften GmbH & Co KG, Berlin 2015