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The traditional traffic signal system with a central traffic controller cabled to all signal heads can be replaced by intelligent („smart”) signal heads realizing a wireless and distributed traffic signal control.

– Instead of a central traffic controller the built-in logics of the signal heads provide the safe distributed operation for traffic signal control via wifi network.

– The power supply is ensured by solar cells.

– Main advantages: no substructures construction and cable need, cost-efficient system and operation.

– Main elements of the test system:  Siemens PLC, Arduino, Matlab, and Siemens LED signal heads.

The built test platform for system testing:

Related publication:


Written by: BME Traffic Lab | Date: 07/02/2023 4:27 PM