Exceptions To Pass Fixed Signals ABS

Question 1

ABS system:

What are the 3 exceptions to pass a Home signal at the Stop position?

Answer 1

• The signal is defective
• Track circuited (track section is occupied/obstructed) And there is no low speed/calling on signal provided to enter an occupied section.
• Single line working has been introduced

Question 2

ABS system:

What are the authorities needed with the exceptions to pass a Home signal at the stop position?

Answer 2

• Signallers caution order
• verbal instructions and/or a green hand signal from the controlling signaller
• Pilot Authority

Question 3

ABS system:

What are ways Signallers Caution Orders are delivered to the Driver?

Answer 3

• Handed
• Transmitted
• Dictated

Question 4

ABS system:

What details are required to be completed on a signallers Caution Order?

Answer 4

• Name of signal box
• Date
• Time
• TDN
• Destination to and from
• Signal post number
• Signallers signature

Question 5

ABS system:

What are the exceptions to pass a Dwarf or Disc signal at the Stop position?

Answer 5

• defective
• Single line working

Question 6

ABS system:

What are the authorities needed with the exceptions to pass a Dwarf or Disc signal at the Stop position?

Answer 6

Verbal instructions from the controlling signaller

Question 7

ABS system:

What is required to pass Home signals at the Stop position within the City Loop?

Answer 7

Protecting points:

Signallers Caution Order

Intermediate Home Signal or not protecting points:

Verbal instructions from area controller.

Question 8

ABS system:

Under what rule can you pass an Automatic signal at the stop position?

Answer 8

Section 3 rule 1 of the 1994 book of rules and regulations.

Question 9

ABS system:

How does a driver comply with Section 3 - Rule 1?

Answer 9

• The signal must never be assumed that it is defective.
• section must always be treated as being OCCUPIED, OBSTRUCTED or the track is DAMAGED.
• The train is free from defects.
• Visibility is suitable

Question 10

ABS system:

What is the definition of Extreme Caution when complying with Section 3 - rule 1?

Answer 10

• NOT EXCEEDING 25 KM/H or the posted track speed of that is the lesser, until the WHOLE TRAIN has passed the next fixed signal.
• being able to stop the train in half the distance that can be seen ahead.
• Always being prepared to find the section ahead OCCUPIED, OBSTRUCTED or the TRACK DAMAGED.

Question 11

ABS system:

What must a driver do if the defective Automatic signal protects a level crossing?

Answer 11

• Section 3 Rule 1
• Move the train cautiously forward until boom barriers or flashing lights are operated by the circuitry.
• Use the whistle frequently.
• The train must not enter over the level crossing until the level crossing equipment is operating or it is safe to do so.

Question 12

ABS system:

How is an Automatic signal passed at the Stop position to assist a disabled train?

Answer 12

Section 3 rule 1

Question 13

What is the authority to pass an intermediate home signal at stop in the MURL?

Answer 13

Verbal instructions from area controller.