Black Cables: You Cross Them Regularly, but Do You Know What They Are Actually For?

When you take the road, there is a good chance that you will cross the black cables on the road. These cables are not unimportant accessories since they have a leading role in the analysis of road traffic. A very precise utility! It is possible that the authorities use black cables on the roads of France. An object that we do not necessarily know the usefulness of but which we cross very regularly, sometimes even without taking into account. Kno…