The present invention provides a 
system that utilizes radio signals, 
cellular network and GPS technologies to provide a multi task 
system that deals with a variety of traffic related aspects such as intersection 
design systems, in-car traffic light systems, in-car traffic light 
system app for both drivers and pedestrians, roadside assistance and safety alert systems, high speed chase systems, roadway 
radar systems, law 
enforcement safety systems, emergency vehicles 
preemption systems, vehicle location 
logging systems, security and crime-fighting systems, 
missing person search systems and children in vehicles safety systems. The system consists of a number of electronic units, each one of these units perform a number of programmed functions. Examples of these units are: 
Police Vehicle Unit, 
Emergency Vehicle Unit, Vehicle Unit and Roadway Intersection Unit.