Abstract: Disclosed is a traffic light system having improved safety measures for alerting pedestrians and vehicle drivers in proximity to prevent accidents. The traffic light system includes a red, yellow and green traffic signal lights automatically controlled using a control unit, a speaker module in communication with the control unit for generating one or more pre-recorded audio signals and an alarm sound during an ON or OFF operation of each of the traffic lights and a power supply unit for powering the operations of the traffic lights, the control unit and the speaker module. The speaker module is a detachable modular unit having a volume control means to adjust a volume level of the alarm sounds and the pre-recorded audio signals to a desired level for alerting pedestrians and vehicle drivers in proximity.