ATC Exceptions

Question 1

What are the exceptions for passing home Departure Signals?

Answer 1

Defective

Rescue A Disabled Train

Question 2

What authority do you need to pass a Defective Home Departure Signal?

Answer 2

ATC Systems Caution Order

• Handed
• Dictated
• Transmitted

Can be written on any piece of paper

Question 3

What authority do you need to Rescue A Disabled Train at a Home Departure Signal?

Answer 3

Train Authority

• Can NOT be transmitted. Must be written down. (Too much info.)

Question 4

For Home Departure Signals, once you have received appropriate authority for both Defective Signal and to Rescue A Disabled Train, how do you proceed?

Answer 4

Extreme caution to next fixed signal , As per R1 S3

Question 5

What are the exceptions for Home Arrival Signals

Answer 5

Defective

Question 6

What authority do you need to pass a defective Home Arrival Signal?

Answer 6

Signallers Caution Order

• handed
• dictated
• transmitted

Question 7

When Despatching A Train From a Non Signalled Track what Authority would you need?

Answer 7

ATC Systems Caution Order
(Reference to signal no. Would be deleted)

Can be written on any piece of paper

Question 8

When a Dwarf Signal (DD) controls the entrance to a Single Line Section what authority would you need to pass it?

Answer 8

ATC Systems Caution Order

Treated the same as a normal HD Signal

Can be written on any piece of paper

Question 9

What are the 2 ways Crossing Loops can be classified?

Answer 9

Locally Controlled

Remotely Controlled

Question 10

What is an intermediate (Home) Signal?

Answer 10

Not a HA Signal or HD Signal

Positioned at intermediate locations on a Single Line Section to expedite the movement of trains travelling in same direction

Question 11

What is the Exception for passing an intermediate Signal?

Answer 11

Defective

• when not protecting points, verbal authority
• when protecting points Signallers Caution Order authority

Question 12

In ATC, what are Exceptions for passing Disc or Dwarf Signals (within station limits)?

Answer 12

Defective only.

Authority - verbal from Controlling Signaller unless under SPECIAL INSTRUCTIONS

(Differs from dwarf allowing entry into single line section which is ATCSCO)

Question 13

How do you Cancel a Train Authority?

Answer 13

Locally Controlled: hand authority to Signaller and they will cancel

Remotely Controlled: Driver will contact TC and cancel when authorised by writing, “CANCELLED, Time, Date, Signature”

Question 14

Summary of ATC Exceptions

Answer 14

Question 15

Who cancels an ATC Systems Caution Order when arriving is complete at a locally controlled location

Answer 15

Signaller