The driver of any vehicle approaching a stationary authorized emergency vehicle, when the authorized emergency vehicle is giving a signal by displaying alternately flashing red, red and white, blue, or red and blue lights or amber or yellow warning lights, shall:
(a) Proceed with due caution, yield the right-of-way by making a lane change not adjacent to that of the authorized emergency vehicle, if possible with regard to safety and traffic conditions, if on a highway having at least four lanes with not less than two lanes proceeding in the same direction as the approaching vehicle and reduce speed to a safe level for road conditions; or
(b) Proceed with due caution, reduce the speed of the vehicle, maintaining a safe speed not to exceed 15 miles per hour on any nondivided highway or street and 25 miles per hour on any divided highway depending on road conditions, if changing lanes would be impossible or unsafe.
(W.Va. Code § 17C-14-9a)