You’re driving on a road with several lanes. What do these signs above the lanes mean?

A: The two right lanes are open

B: The two left lanes are open

C: Traffic in the left lanes should stop

D: Traffic in the right lanes should stop

View hint

On some busy roads, lane control signals are used to vary the number of lanes available to give priority to the main traffic flow. A green arrow indicates that the lane is available to traffic facing the signal. A white diagonal arrow means that the lane is closed ahead and traffic should move to the next lane on the left. A red cross means that the lane is closed to traffic facing the signal.