16th Feb 2018 4 mins What Is The Effect of Tailgating On Traffic? Tailgating is the scourge of drivers everywhere. Indeed there is seemingly no motorist safe from those intent on getting up close and personal, whose impatience come ignorance invariably brings us bumper-to-bumper. But aside from infuriating those on the receiving end, what effect do tailgaters have on traffic itself? A negative one, it transpires.