you about a big change looming. If you go out to dinner, have a drink, as you're about to order a second, you may want to think. Abc's david kerley has news on some rules that could be about to ge.... See More
you about a big change looming. If you go out to dinner, have a drink, as you're about to order a second, you may want to think. Abc's david kerley has news on some rules that could be about to ge. Reporter: That is a drunk, driving on the wrong side of the road. A deadly crash. One of nearly 10,000 deaths on american highways every year. Step out of the vehicle. Reporter: Tonight a dramatic move the national transportation safety board saying it's time to cut the legal blood-alcohol limit by more than a third down to .05%. What's the difference? For a 130-pound woman, three glasses of wine over an hour would put her at .08. But she would hit .05 with just two glasses. We can demonstrate significant impairment. You are 38% more likely to be involved in a crash at .05. Reporter: The board says even at .04, your vigilance is accepted. You have trouble tracking objects at .Jor 6. And by .07, cogative tasks suffer. Much the industrialized world as adopted the u.S. Strategy. Dropping to .05 is not going to save lives. Targeting the population that is the hard-core alcohol offenders that are out there, that's going to save lives. Reporter: Mothers against drunk driving is not endorsing this recommendation. It's now up to each state to decide if it's time to lower the limit. David kerley, abc news, washington.
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