Medium Approach Proceed prepared to stop at the next signal. Trains exceeding medium speed must begin reduction to medium speed as soon as the medium approach signal is clearly visible. Medium Approach Proceed prepared to stop at the next signal. Trains exceeding medium speed must begin reduction to medium speed as soon as the medium approach signal is clearly visible. Medium Approach Proceed prepared to stop at the next signal. Trains exceeding medium speed must begin reduction to medium speed as soon as the medium approach signal is clearly visible. Medium Approach