Single Line Working

Question 1

What is the principle of single line working? P1-1 (1)

Answer 1

When one line of a double line becomes blocked, single line working by Pilotman allows trains to travel over the other line in either direction.

Question 2

How do you identify a Pilotman? P1-2.1 (1)

Answer 2

Red armlet, with Pilotman in white letters.

Question 3

Before SLW can take place, what must you agree with the Pilotman? P1-2.2.1 (2)

Answer 3

Arrangements that are to apply.

The time when Pilotman SLW form (RT3191) will be completed.

Question 4

If they will be affected by SLW, what arrangements must you remind the Pilotman about? P1-2.2.2 (7)

Answer 4

Controlled level crossings which are protected by signals.
Automatic level crossings.
Barrow or foot crossings with white light indicators.
Unworked points.
Intermediate Signalboxes which are closed and what time they will open.
Any ESR or TSR.
Whether obstructed line has T3/line blockage/failed train.

Question 5

What must you make sure of, with points that are worked or released from your signal box, if there are facing movements? P1-2.2.3 (1)

Answer 5

You must make sure they are secured for the safety of facing movements if they are not fitted with a FPL.

Question 6

At the agreed time, what must the Pilotman make sure of before they can complete and sign their Pilotman’s SLW form? P1-2.3 (1)

Answer 6

That the line to be used for SLW is clear.

Question 7

When must you complete a Signaller’s SLW form (RT3192)? P1-2.4 (1)

Answer 7

When the Pilotman dictates the form to you.

Question 8

Wherever possible, how must you control movements in the right direction? P1-3.4 (1)

Answer 8

You must arrange for signals on the unobstructed line to be worked normally, wherever possible.

Question 9

When controlling movements in the wrong direction, who must you give instructions to? P1-3.5.1 (1)

Answer 9

You must control trains in the wrong direction by giving instructions to the Pilotman, and to handsignallers if appointed.

Question 10

When controlling movements in the wrong direction, who must you tell if the instructions for the train movement have already been given to the Driver? P1-3.5.1 (1)

Answer 10

You must tell the handsignaller.

Question 11

When returning back to the proper line, if provided, where would the handsignaller be positioned? P1-3.5.2 (1)

Answer 11

Opposite the home signal at the Signalbox which controls the crossover back to the proper line.

Question 12

What colour of handsignal is displayed by handsignaller for trains returning back to the proper line? P1-3.5.2 (1)

Answer 12

Yellow.

Question 13

What colour of handsignal is used when there’s an attendant on duty at AHBC, RC, OD or CCTV level crossing? P1-3.5.2 (1)

Answer 13

Green.

Question 14

When does a handsignaller not need to be appointed for trains returning back to the proper line? P1-3.5.3 (2)

Answer 14

There is a main line signal at the crossover, or

Pilotman travels on every train.

Question 15

When do you not need to position a handsignaller at an intermediate Signal Box that is open? P1-3.5.3 (1)

Answer 15

If you have agreed with the Signaller that the handsignal will be displayed from the Signal Box.

Question 16

During poor visibility, what must be provided for all trains returning back to the proper line, and what is the exception? P1-3.5.4 (2)

Answer 16

Handsignaller, unless there is a main line signal.

Question 17

If possible, what signals must you work normally, to control wrong-direction movements? P1-3.5.5 (1)

Answer 17

Shunting signals and position-light signals.

Question 18

When can the Pilotman divide a single line in to two sections for wrong-direction movements, in an absolute block area? P1-3.6b) (1)

Answer 18

At each intermediate Signal box that is open.

Question 19

What colour of handsignal is displayed at unworked points for trains approaching in the facing direction, and where is it displayed? P1-3.7.1 (2)

Answer 19

Green; alongside the points which is clearly visible to the Drivers of all wrong-direction movements.

Question 20

When must the Driver stop the train before passing over points that are the facing to the movement? P1-3.7.4 (1)

Answer 20

If anyone other than the Pilotman has secured points, they must personally check that the points have been properly secured; this can be done while the Pilotman is accompanying the first train over the single line, but the driver must stop the train before each set of points.

Question 21

When is SLW considered to be in operation? P1-4.1 (1)

Answer 21

(once you’ve told the Pilotman that you’ve made all your arrangements), the Pilotman then can tell you that SLW can start; you must make an entry in the TRB.

Question 22

What must you do when the Pilotman tells you that SLW can start? P1-4.1 (1)

Answer 22

You must make a suitable entry in the TRB.

Question 23

Whose permission must the Pilotman get before authorising a Driver to pass any signal at danger? P1-5.1 (1)

Answer 23

must get Signaller’s permission.

Question 24

When may you authorise, without the Pilotman being present, a movement to enter or foul the single line? P1-5.1 and P1-5.2 (3)

Answer 24

When a movement is to pass to and from an unaffected route at a junction at the end of the single line.
For a train to pass through a trailing crossover which is on the approach to the obstruction.
You can authorise an assisting train to foul or enter the single line.

Question 25

When does a Pilotman not have to issue a Driver’s SLW ticket to a Driver? P1-6.3 (4)

Answer 25

If the train is to enter the single line to assist a failed train.
If the train is to enter the single line to evacuate passengers from a failed train.
If the train is to enter the single line to remove a portion of a divided train.
If the train is to enter the single line to remove a train or vehicles that have proceeded without authority.

Question 26

What must you make sure of before you can clear the signal controlling the entrance to the single line for right-direction movements? P1-8.1 (1)

Answer 26

You must make sure that the Pilotman has given the Driver the necessary instructions.

Question 27

During SLW, what must you tell, and for where, do you need to tell the Pilotman with regards to speed restrictions? P1-8.2 (2)

Answer 27

You must tell the Pilotman about any TSR or ESR that are introduced during SLW that will apply on the single line or affect any train returning to the proper line.

Question 28

What speed can trains travel up to in the right-direction and what speed can trains travel up to in the wrong-direction? P1-9.3 and P1-9.4.2 (2)

Answer 28

Right-direction: normal.

Wrong-direction: 50mph.

Question 29

Who tells the Signaller when a new Pilotman is appointed? P1-13.1 (1)

Answer 29

Old Pilotman tells each Signaller who the new Pilotman is.

Question 30

Who tells Pilotman when new Signaller takes duty? P1-13.2 (1)

Answer 30

New Signaller tells Pilotman ASAP.

Question 31

Who is the only person that can withdraw SLW? P1-14.1 (1)

Answer 31

Pilotman.

Question 32

Who must tell each Signaller that was involved with SLW that SLW has been withdrawn? P1-14.1 (1)

Answer 32

Pilotman must tell each Signaller immediately when SLW is to be withdrawn.

Question 33

When can SLW be withdrawn before the obstructed line is clear? P1-14.1 (2)

Answer 33

Arrangements have been published, or Pilotman has agreement from Control.

Question 34

When can you allow normal working to resume and where do you record this? P1-14.3 (3)

Answer 34

When you have cancelled your Signaller’s SLW form, you have told the Pilotman, and you must make a suitable entry in TRB.

Question 35

When may you need to instruct the Driver of the first train through the section after SLW has been withdrawn? P1-14.4 (1

Answer 35

You may have to instruct the Driver of the first train to stop and tell anyone working on or near the line that was used for SLW that SLW has been withdrawn or whether the obstructed line is open or is to stay blocked.