According to the National Transportation Safety Board (NTSB), over 350 highway deaths each year are the attributable to wrong-way incidents, with the vast majority of them due to head-on collisions at high speeds. One percent of conventional auto accidents involve fatalities; the figure skyrockets to 22 percent for wrong-way collisions. a 2012 report issued by the NTSB stated that over half of wrong-way incidents involved alcohol-impaired drivers, with over 60 percent of them ahving blood-alcohol readings of .15 or higher- nearly double the legal limit in most states. Fifteen percent of wrong-way collisions are initiated by drivers age 70 or above. Confusion and impaired vision are aggravating factors in these accidents. Many wrong-way accidents begin with a driver mistakenly entering a highway from an exit ramp; others originate with people who realize they have missed their exit, so they make a U-turn and head the wrong way back to the exit. Nearly 80 percent of wrong-way acciden...