Choose A, B, or C to progress to the next question. You see this road sign ahead. What must you do? A Only the driver of a goods vehicle with a GVM or GCM greater than the mass indicated may use this road or section of the road. B Do not make a left or right turn at the intersection if the sign is displayed. Correct Answer C Check the Gross Vehicle Mass (GVM) or Gross Combination Mass (GCM) of your vehicle.