News
Satellite-Based System Charges Tolls Based on Time of Day In the state of Washington, Siemens has started operating a satellite-based toll system that charges variable fees. A total of 500 drivers will be taking part in the pilot phase in the Seattle area. As is the case with the German Toll Collect system, the vehicles are equipped with on-board units (OBUs) and their position is tracked by the Global Positioning System (GPS). GSM technology is used to maintain contact between the OBUs and a control center. As soon as the motorists drive onto a toll road, the system sends them a visual signal. Unlike the German system, this solution doesn`t require any control bridges.
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