Metropolitan Transportation Authority (MTA) Assistant Conductor Practice Test

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When a train receives an Approach Block Limit signal, what is its next step?

  1. Proceed directly to the next block

  2. Proceed prepared to stop at the next Block Limit signal if not authorized

  3. Immediately stop and wait for further instructions

  4. Continue at full speed regardless of the following signals

The correct answer is: Proceed prepared to stop at the next Block Limit signal if not authorized

When a train receives an Approach Block Limit signal, it must proceed prepared to stop at the next Block Limit signal if not authorized. This signal indicates that the train is approaching a section of track that may require a stop, and thus the train must be cautious. The reason for this procedure is to ensure safety and prevent accidents on the railway. The compliance with the Approach Block Limit signal allows the train operator to prepare for any potential changes in the status of the track ahead, such as a stop signal or other safety indications. By slowing down and being ready to stop, the operator is able to manage the train's speed according to the conditions that may arise at the forthcoming signals. In this context, it’s crucial for train operations to maintain a high level of awareness and readiness to respond to signals, ensuring that trains can operate safely in close proximity to one another.