Go ahead and hold all of the workshops you want. Talk until you are blue in the face and pass out. All this is is a waste of time and resources.
You want to stop traffic accidents? Start stopping the drivers who are breaking the laws by speeding, illegally overtaking - passing - other cars, running red lights and stop signs... Issue fines. Throw drivers in jail. Impound their vehicles. Double their insurance premiums. That is how you are going to stop traffic accidents from happening, here!