12.0 RULES APPLICABLE ONLY IN AUTOMATIC TRAIN STOP SYSTEM (ATS) TERRITORY

12.1 Required Equipment

12.2 ATS Device Cut Out, Not Equipped, or Not Working

Within ATS limits, if the ATS device on an engine controlling the train's air brakes fails or is cut out enroute, or if the engine on a train being detoured is not equipped with a working ATS device, the following will apply:

• The train dispatcher must be notified promptly by radio or telephone.
• The train may proceed according to signal indication, but it cannot exceed 40 MPH until an absolute block is established in front of the train.
• If an absolute block is established in front of the train, as provided in Rule 11.1 (Establishing Absolute Block), the train may proceed according to signal indication, but it cannot exceed 79 MPH.