Intelligent traffic signal lamp

The invention discloses an intelligent traffic signal lamp. The intelligent traffic signal lamp comprises a signal machine, a plurality of color lamp group loops used for displaying different color signals and a countdown lamp group loop. Each color lamp set loop comprises a first ACDC module, a color lamp set and a first detection module, the first AC/DC module is connected with the signal machine and the color lamp set and used for supplying power to the color lamp set so that the color lamp set can be turned on or turned off, and the first detection module is used for detecting the turning-on state of the color lamp set; the countdown lamp group loop comprises a second AC/DC module, a processor module and at least one countdown lamp group, the second AC/DC module is used for supplying power to the processor module based on the alternating current output by the signal machine, and the processor module is used for controlling the countdown lamp group to execute countdown display according to the lightening s