This is very useful for who all are driving two wheelers.
In two wheeler rear side above the brake light need to fit one sensor or camera. This has cover rear side of the vehicle all around 1 meter. This all information has to show in front of the cluster in separate screen. Two wheeler 50% of rear side (half vehicle) all around two feet is consider as a safety zone. In this safety zone anybody is touching or you are going crossing with other vehicle the information window red light should be ON and automatically horn also ON this information alert to driver.