The city of Düsseldorf officially opened a cutting-edge automated and connected vehicle test track, which is a 20 km road dedicated to the advancement of connected and autonomous vehicle technology. Featuring Siemens Mobility technology, the digital test field highlights the latest intelligent traffic technologies, which is preparing the region for automated and autonomous traffic of the future.
The project has four key Siemens Mobility components. The Road Side Units (RSU), communication units, allow for near-real-time information exchange between vehicles and infrastructure. These safety-critical network elements are installed and located at each of the four intersections with a signal. The second technology is an integrated SPAT (Signal Phase and Timing) unit, which forecasts green and red-light timing and transmits via RSU to vehicles. In addition, Siemens Mobility vehicle on-board units are used for vehicle-to-infrastructure communication. In the test field, these systems are used for public transport signal prioritization with 16 Rheinbahn buses. This Car-to-X (C2X) technology is the first of its kind in Germany. The Rheinbahn vehicles are also equipped with satellite positioning to test public transport privileges (i.e. right of way, designated lanes, etc.). When implemented in connected vehicle traffic settings, these technologies reduce traffic congestion, help improve safety and reduce environmental impact of traffic emissions.
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