Each bus is polled by the central equipment every tenth second. The central computer has continuously the data of the exact position of each bus along the route. This enables the central system to forecast next bus arrival times to all the bus stops. This data is used to update the real-time database of bus arrival times at each bus stop. This data is also sent directly to all bus stop display equipment.
Bus door opening at the bus stop locates the bus exactly on the right position along the route.
The bus location along the route is based on the odometer counting the accurate distance of the bus from the preceding bus stop Real time visual displays show the next bus arrival Existing bus stop displays provide real-time information of the arrival of the next bus. Route number of the bus or tram 2. Destination of the arriving vehicle 3. The waiting time of the next bus is shown with one minute accuracy. The figure counts down until it reaches zero.