Commonwealth v. Diaz

As might be expected on a holiday weekend, traffic on July 5, 1982, was moderate to heavy on Route 128 as it coursed through Lexington. Several witnesses, the jury could have believed, saw the defendant’s car travelling much faster than the fifty-five miles per hour at which traffic was moving (A State trooper put the defendant’s speed at ninety miles per hour) and noticed that car veering from lane to lane. In the course of his high speed lane switching, Diaz — there is no dispute that he was the driver — was seen to be fishtailing and at the edge of control, if not beyond it. Diaz overtook…