What is the normal aspect of an Automatic stop signal on double line Automatic section? A. RED B. GREEN C. DOUBLE YELLOW D. YELLOW

The correct answer is A. RED.

An automatic stop signal on a double line automatic section is normally red. This means that trains must stop before the signal. The signal will only change to green when it is safe for the train to proceed.

A green signal means that the train can proceed at normal speed. A double yellow signal means that the train must slow down and be prepared to stop. A yellow signal means that the train must stop.

It is important for train drivers to obey the signals and to proceed at the correct speed. This helps to ensure the safety of all passengers and railway workers.