| Flag signals are used to designate 
			specific time or to give instructions to contestants. Briefly, the 
			flags and their purposes are as follows: | 
		
			|  |  | Green | Time between five-minute and 
			one-minute signal; while race is underway except last lap. | 
		
			|  | White | Time between one-minute signal and start; leader has started 
			last lap. | 
		
			|  | Red | STOP! STOP! Be alert and watch for 
			other signals. The discharge of red or orange smoke/aerial flares in 
			conjunction with RED FLAGS is advised. | 
		
			|  | Blue/White | CAUTION: Problems on race course, continue with caution. | 
		
			|  | Black | Course is closed, return to pits; do not leave pits. | 
		
			|  | Checkered | FINISH. |