9.1 Signal Aspects and Indications - In what document are Distant, block and interlocking signal aspects and indications normally shown?

Special Instructions

Special Instructions would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.1 Signal Aspects and Indications - How are signal aspects identified?

By the position of semaphore arms, color of lights, flashing of lights, position of lights, or any combination.

By the position of semaphore arms, color of lights, flashing of lights, position of lights, or any combination. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.1 Signal Aspects and Indications - How may signal aspects be qualified?

By marker plate, number plate, letter plate, or marker light.

By marker plate, number plate, letter plate, or marker light. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.1 Signal Aspects and Indications - What is the name for a block signal with a letter plate attached to the mast displaying the letter “A”?

The name is “absolute signal”.

The name is “absolute signal”. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.2 Location of Signals - Which side of the track are block and interlocking signals generally located as viewed from the train?

From the right of the track.

From the right of the track. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.2 Location of Signals - May block and interlocking signals be located other than to the right of the track as viewed from a train?

Yes, they may be located to the left or above the track. In addition, to display indications for two tracks, two bracketed signals may be located on a supporting mast, and the signal to the right governs the track to the right, and the signal to the left governs the track to the left.

9.3 What Signals Govern - What governs the use of blocks in signal territory?

Block signals, cab signals or both

Block signals, cab signals or both would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.3 What Signals Govern - What governs the use of interlocking routes?

Interlocking signals.

Interlocking signals. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.3 What Signals Govern - When is an interlocking signal also considered to be a block signal?

(Add graphic - Signaled beyond the interlocking) Where a track is signaled beyond the interlocking limits in the direction of movement.

(Add graphic - Signaled beyond the interlocking) Where a track is signaled beyond the interlocking limits in the direction of movement. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.3 What Signals Govern - What other rules remain in effect when complying with the indication of interlocking signals”?

All other rules, where required.

All other rules, where required. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.4 Improperly Displayed Signals or Absent Lights - If a light is absent or a white light is displayed where a colored or lunar light should be, how is a block or interlocking signal to be regarded?

As displaying the most restrictive indication that signal can give.

As displaying the most restrictive indication that signal can give. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.4 Improperly Displayed Signals or Absent Lights - Where would any exception for this condition be shown?

Shown in block, cab and interlocking signal aspects in the special instructions.

Shown in block, cab and interlocking signal aspects in the special instructions. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.4 Improperly Displayed Signals or Absent Lights - For this condition, if the signal were equipped with a semaphore arm that’s position can plainly be seen, would that aspect govern?

Yes.

Yes. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.5 Where Stop Must Be Made - When movement is made beyond a block signal requiring a train to be prepared to stop at the next signal, where must the stop be made at the block signal requiring the train to stop?

Stop must be made before any part of the train passes the block signal.

Stop must be made before any part of the train passes the block signal. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.5 Where Stop Must Be Made - If a train overruns any block signal that requires it to stop, what action must the crew take?

Warn other trains at once by radio; stop the train immediately; report it to the train dispatcher.

Warn other trains at once by radio; stop the train immediately; report it to the train dispatcher. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.5.1 Changing Established Route - After a controlled signal has been cleared for a closely approaching train, the control operator must not change the signal before the approaching train’s engineer has assured the control operator that he can comply with the signal change. Are there any exceptions?

Yes, the exception is “to avoid an accident.”

Yes, the exception is “to avoid an accident.” would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.5.1 Changing Established Route - If it is safe to do so, may the control operator establish a conflicting route into an occupied block or interlocking limits, or authorize a conflicting movement?

Yes, but only if it is safe to do so.

Yes, but only if it is safe to do so. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.5.1 Changing Established Route - When any portion of a train is on or closely approaching a switch, derail, movable point frog, or lock, what must the control operator avoid?

The control operator must avoid operating the device controlling any of the listed items.

The control operator must avoid operating the device controlling any of the listed items. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.

9.5.2 Protection if Signal Appliance or Track is Damaged - If a signal or signal appliance functions improperly or the track is damaged, signals that overrun movements on affected routes must display a Stop indication. When this occurs, when can movements resume?

Track and signal appliances must be examined to allow for safe movement.

Track and signal appliances must be examined to allow for safe movement. would be awarded 1 point This response was awarded 1 point out of a possible maximum of 1 point.