A Obstruction on your side of the road. If there’s a car parked ahead of you on your side of the road, but the other side of the road is clear, oncoming traffic has priority. You must slow down or stop to let oncoming traffic pass first.
B Obstruction on the opposite side of the road. If the parked car is on the opposite side, and your carriageway is clear, you have priority. Oncoming traffic should slow down or stop to let you pass. Bear in mind that priority is something that you give to others, but never take as a right. When you have priority, proceed with caution.