Highway Lightening System Using IR Sensors

The project is to designed detect vehicle movement on highways to switch ON only a block of street lights ahead of the vehicle, and to switch OFF the behind lights to save energy. During night all the lights on the highway remain ON for the vehicles, but lots of energy is wasted when there is no vehicle his movement. This proposed system provides a solution for energy saving. This is achieved by sensing an approaching vehicle and switches ON a block of street lights ahead of the vehicle. As the vehicle passes by the behind lights switch OFF automatically. So when there are no vehicles on the highway, then all the lights remain OFF. Sensors used on either sides of the road send logic commands to microcontroller to switch ON/OFF the LEDs.
There is provided an infrared sensor unit for deactivating an electrical appliance when there is no flow on Road. The sensor unit includes a passive infrared sensor for sensing the user through a field of infrared light provided within a viewable distance of the electrical appliance An Infra-Red (IR) sensor is an electronic device commonly used in security lighting, and burglar alarm systems. When a person or Vehicle in the field of vision of the sensor, the sensor detects the presence and activates highway lighting system. Here we are using LDR also because if it is day time number of vehicles passes on highway so the sensor will detect continually and the lights will glow in morning also in order to avoid this LDR is used.