The Main Purpose Of This Project Is To Develop A Prototype Of The Accident Detection System Using Black Box. In The Event Of Accident, If Any Injury Happened To The Car Driver Or Passengers So Maybe There Will Be Loss Of Lives Due To Delay In Medical Help. This Prototype Can Be Designed With Minimum Number Of Circuits. The VBBS Can Contribute To Constructing Safer Vehicles, Improving The Treatment Of Crash Victims, Helping Ins Urance Companies With Their Vehicle Crash Investigations And Enhancing Road Status In Order To Decrease The Death Rate. This Project Aim At Finding The Occurrence Of Any Accident And Reporting The Location Of Accident To The Previously Coded Number So That Immediate Help Can Be Provided By Ambulance Or The Relative Erned. GPS Which Is A Navigational System Using A Network Of Satellites Orbiting The Earth.