Torts — Automobile accident — Collision with scooter which had top speed of just over 30 miles per hour and which was at the time of accident being driven at less than 30 mph on a limited access facility with a posted speed limit of 55 miles per hour — Jury instructions — Trial court abused its discretion by refusing to give requested jury instruction based on statute prohibiting operation, on a limited access facility, of vehicle which by its design or condition is incompatible with safe and expedient movement of traffic — Requested instruction constituted correct statement of law, was supported by evidence, and addressed defendants’ theory of the case that injured minor was not lawfully driving scooter on limited access facility at the time of the accident