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Rennes (F)

An LCD display in a French smart city to inform travelers of the the arrival of buses.


To inform citizens of the passage of buses while keeping power consumption low - To integrate the new devices with a pre-existing urban aesthetics - To emit audio announcements from the displays as well, to assist visually impaired travelers


For this project, LCD displays were used, equipped with GPRS modems for communicating with the Control Center, and powered by solar panels or the public electrical grid. To assist the visually impaired, each device is equipped with a Text-to-Speech system.

  • Very low-power consumption
  • Visible also at night thanks to the LED backlighting
  • 1 to 4 lines of information can be displayed
  • Communication via GPRS/HSDPA
  • Coated aluminum housing
  • Refined and elegant design
  • Installed under busstop roof
Case Study Rennes (F)

In the French town of Rennes, capital of Brittany and home to an important university, Solari di Udine has installed 220 LCD busstop displays.


The objective of this system is to broadcast information that updates passengers in real-time regarding the passage of buses at the various busstops, with particular care given to keeping power consumptions low and integrating the device within the surrounding area according to the aesthetics of the urban environment.


To assist visually impaired travelers, the project also required the use of audio announcements produced by the same devices used for displaying information.

For this purpose, each device is equipped with a Text-to-Speech system capable of enunciating the content shown on the display itself.

This feature can be activated by the user by means of a an infrared remote control specifically provided to the visually impaired.


Devices have been equipped with a GPRS modem that connects with the Control Center.


The installed devices provide a continuous service, since they are active 24 hours a day. Therefore to optimize their energy consumption, they are powered by solar energy produced by supplied solar panels, or through the electrical grid used at night for public lighting.


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Products used

LCD Display