Wrong-way driving maneuvres on the interstate and primary systems of Virginia.

Wrong-way driving manoeuvres were studied for six months on the interstate and primary highways of Virginia. Of the 38 reported incidents on the interstate systems about 68% did not result in an accident. Similar data are given for the 81 reported incidents on divided primary routes, of which approximately 77% did not result in a crash. It is shown that the problem is much more widespread than anticipated.