Sure, the Lane Departure Warning system will beep incessantly at you as 4200 lbs of sheet metal and dead cattle wander gently from one side of the lane to the other, but as long as nothing unexpected arises (say, a
curve, or for that matter, a curb), you'll
meander along quite gracefully, outwardly no different from the hordes of cell - phone - addicted commuters heading the same direction.