nergy conservation is the idea below this project. Every time a section of the street light will glow when it sense the traffic on road and responded to another section as vehicle goes forward. Model contains 4 sensors on road and another at main circuit which switch 'on' street lights only in right & goes in day time automatically.. This is a complete, assembled working project / model (duly tested) at our work shop. This is a handmade project on a general purpose PCB and uses Electronics / Electrical components as per requirement of a particular model. A rough report & study material related to project will be mailed to student on request.