An agent with a moving red light indicates...
A)to reduce speed.
B)the area through which to drive.
C)obligation to stop.Correct
An agent who swings a red light requires road users towards whom the agent directs the light to stop.
An agent with an extended arm, moving it alternately up and down, requires drivers approaching the agent on the side corresponding to the arm performing the signal and perpendicularly to that arm to slow down.