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Lineside Signs Flashcards

1
Q

Describe 3 types of Limit of Shunt sign

A

Limit of Shunt position light with two permanent horizontal red lights, a white sign with red writing saying ‘SHUNT LIMIT’ and a white sign with red writing saying ‘LIMIT OF SHUNT’.

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2
Q

Where a limit of shunt sign is present, what does this mean?

A

No part of the train may pass this sign, signal or indicator unless authorised by the signaller.

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3
Q

If you do pass a limit of shunt sign without permission, what would this be considered to be?

A

A SPAD

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4
Q

Where would limit of shunt signs be located?

A

When moving in the non-normal direction on a running line. When travelling in the normal direction, you will see the back of these signs.

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5
Q

When a limit of shunt is displayed as a signal on a position light as two red horizontal lights, will these ever clear?

A

No.

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6
Q

Describe a stop board

A

These contain the word ‘STOP’, a red circle and instructions for the driver to follow.

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7
Q

What should a driver do when arriving at a stop board?

A

Stop their train immediately short of the sign, apply brake step 3 and apply the DRA. Then carry out the instructions listed.

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8
Q

When may a driver pass the stop board?

A

When the instructions have been carried out or when permission has been given by the signaller to pass.

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9
Q

What are points indicators and where can these be found?

A

These are found on low speed lines or in depots and are used to show the position and security of points.

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10
Q

Describe what a points indicator looks like

A

It will contain a single light above a sign that says ‘points indicator’

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11
Q

What does a red steady or flashing light mean on a points indicator?

A

Stop at the points indicator and contact the signaller unless otherwise authorised. If passed without authority, this is a SPAD.

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12
Q

What does no light mean on a points indicator?

A

Stop at the points indicator and contact the signaller unless otherwise authorised. If passed without authority, this is a SPAD.

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13
Q

What does a steady yellow light mean on a points indicator?

A

The points to which the sign applies are fitting correctly. You may proceed.

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14
Q

What does a flashing yellow light mean on a points indicator?

A

The points are not set and you must stop and contact the signaller before proceeding.

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15
Q

What are banner repeating signals and where might these be found?

A

Where signals are difficult to see, banner repeaters may be provided to give advance notice of the upcoming signal aspect.

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16
Q

Where banner repeaters are in relation to a stop signal, what will they contain?

A

A solid black line in the circle in either the horizontal or 45 degrees position

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17
Q

Where banner repeaters are in relation to a distant signal, what will they contain?

A

A solid black line with a fishtail in the circle in either the horizontal or 45 degrees position.

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18
Q

What is meant by a banner repeater containing a horizontal solid black line?

A

The next signal is at danger

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19
Q

What is meant by a banner repeater containing a solid black line at 45 degrees?

A

The next signal is displaying a proceed aspect (either single yellow, double yellow or green).

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20
Q

What is meant by a banner repeater containing a solid black line at 45 degrees with a green circle around it?

A

The next signal is displaying a green proceed aspect.

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21
Q

What is meant by a banner repeater containing a black horizontal fishtail?

A

The distant signal ahead is at caution

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22
Q

What is meant by a banner repeater containing a black fishtail at 45 degrees?

A

The distant signal ahead is at proceed

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23
Q

If you receive two banner repeaters on the same post, what does this mean?

A

These are banner repeaters for the straight route and for the diverging route.

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24
Q

If two banner repeaters are on the same post with a horizontal solid line on the left and a solid line at 45 degrees is on the right, what does this tell you?

A

The signal ahead on the route to the left is at danger and the signal ahead on the route to the right is displaying a proceed aspect.

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25
What will be contained on the signal ID plates for banner repeating signals?
'BR'
26
What is a 3 state banner repeater?
A banner repeater that can display either horizontal, 45 degrees or a green 45 degrees signal
27
What will be contained on the signal ID plates for a 3 state banner repeater?
A white circle with a black vertical line through it.
28
What is a co-acting signal?
Where signals are difficult to see, co-acting signals can give both long and short distance sighting of the signal. This repeats the exact same aspect and signal type or indication as the main aspect where the main aspect is difficult to see.
29
Whilst a co-acting signal shows the exact signal type and aspect as the main aspect, what should you bear in mind if the main aspect is located on a gantry and the co-acting signal is at floor level?
The signal at floor level will be displaying the same aspect but the usual order of the colour aspects will be reversed so that the most restrictive signal is at the driver's eye level. (On a gantry, red would usually be at the bottom but on the floor, red would be at the top).
30
What are countdown marker boards?
Inform the driver of the distance between the sign and the signal concerned and may be located in close proximity to a banner repeater.
31
How would you know what signal the countdown marker boards are in relation to?
The countdown marker boards contain the signal number that they are in relation to.
32
What is the distance between a marker board containing 3 marks and the signal itself?
300m
33
What is the distance between a marker board containing 2 marks and the signal itself?
200m
34
What is the distance between a marker board containing 1 mark and the signal itself?
100m
35
What is a SPAD indicator?
Used to inform drivers if a train has passed a signal at danger within that area.
36
Describe what a SPAD indicator looks like
A three aspect signal head which is fitted with a blue backplate. The centre red aspect will also contain the word 'STOP'
37
Where would a SPAD indicator normally be positioned?
50 metres beyond a stop signal.
38
What is the normal aspect shown by the SPAD indicator?
Unlit
39
If a signal is passed at danger, what aspect will be shown by the SPAD indicator?
The SPAD indicator will be activated and show a red flashing light in the top and bottom aspect and a steady red light with the word STOP in the centre.
40
What are your actions if the indicator is activated?
Immediately stop your train, even if the signal was cleared when you passed it. You must not continue until you have been authorised to do so as the SPAD may have occurred on another line and that movement may conflict with your train.
41
What are OFF indicators?
Provided on platforms to assist with the dispatch procedure. Where the word OFF is shown inside the theatre box, this indicates that the signal has cleared to a proceed aspect.
42
What do OFF indicators not tell you?
The proceed aspect that is showing or the route to be taken
43
Would the driver ever use an OFF indicator?
Yes, if the signal could not be seen from the starting position.
44
What will the OFF indicator show when the signal is at danger?
The theatre box will be unlit.
45
On a bi-directional line, what may also be contained within an OFF indicator?
UP/DN to show the route has been set.
46
What is a Close Doors indicator?
Display the letters 'CD' when illuminated to let the driver know that it is safe to close the doors on the train where this is the driver's responsibility.
47
What is a Right Away indicator and what do these look like?
These indicators display the letters 'R' or 'RA'. If these are illuminated, it tells the driver that the station duties are complete, the train is secure and it is safe to proceed.
48
How would you identify a permissible speed indicator?
These are old style with a yellow number on a black post, white backed circle with red ring and speed in centre for mph or black backed circle with red ring and speed in centre in km/h. In limited clearance areas, these may be oval shaped.
49
What does a permissible speed indicator inform the driver of?
The start of the permissible speed.
50
What may a permissible speed indicator contain if there is a diverging junction?
An arrow indicating where the start of the permissible speed applies and whether this is to the left or the right of the straight route at a diverging junction.
51
What may a permissible speed indicator contain if there are diverging junctions to the left and the right and the permissible speed is the same?
Two arrows pointing in both directions.
52
What is a warning indicator and what does this look like?
Provided on the approach to a reduction in permissible speed ahead. These are triangular and either white or black with yellow outline and contain the upcoming speed in the centre. If white backed= mph If black backed= km/h
53
What may also be present ahead of a warning indicator?
An AWS magnet on the approach that will sound a warning horn.
54
What are differential permissible speed indicators and what do these look like?
These display two speed figures. The bottom speed is always higher and always applies to PPPL trains (Postage, Parcel, Passenger and Light Locomotive either loaded or unloaded). The top figure applies to all other trains. These can either be old style with yellow numbers on a black post, circular white backed with red ring, circular black backed with red ring or can appear as a warning indicator that is either black or white backed with a yellow outline.
55
Where a permissible speed indicator contains letters, what does this tell you?
That the permissible speed only applies to the trains denoted by the letters.
56
What does HST stand for?
High Speed Trains
57
What does MU stand for?
Multiple Unit trains
58
What does DMU stand for?
Diesel multiple unit trains
59
What does EMU stand for?
Electric multiple unit trains
60
What does SP stand for?
Sprinter multiple unit trains
61
What is an emergency indicator?
This is a standing sign that contains black and yellow chevrons and two flashing white lights that will be working at all times. It is used when an emergency speed restriction is in place.
62
What would you expect to be placed before an emergency indicator?
An AWS magnet
63
Would you receive an AWS warning for an emergency indicator in an AWS gap area?
No.
64
What is a whistle board?
May be provided on the approach to level crossings and can be a circular sign containing a 'W' or an old style yellow 'W' on a black post.
65
When should a whistle board be obeyed?
Only outside the hours of 23:59 and 05:59. In an emergency, you may still use your horn in these areas outside of these hours.
66
What are gradient signs?
Situated on the lineside and are used to identify the change in gradient at that particular location.
67
How are gradients expressed on a gradient sign?
As a ratio. If the sign says 460, this means that the track rises or falls one in every 460 metres. This means that every 460 metres, you will rise or fall 1 metre depending on the angle of the gradient sign that indicates the direction of the slope.
68
What are car stop markers?
These inform the driver of the correct stopping point for the train depending on the number of carriages. These signs will usually contain a number to correspond with the number of carriages. Eg: '4 Car Stop' is where a train with 4 carriages should stop.
69
What are mile posts?
These are signs situated on the lineside and used to identify locations. The number denotes the mileage to or from the principal city and there will be dots or marks to denote each quarter of a mile.
70
What is a possession limit board and what do these look like?
These identify the boundary of a possession. They may also be used as part of the protection for a line blockage. The board is a red, double sided octagonal board that says STOP and can be seen in both directions. It will also contain a steady or flashing red light that is visible in both directions.
71
If a possession limit board is passed without authority, what is this considered to be?
A SPAD.
72
What are work site marker boards and what do these look like?
May be provided within a possession of a running line. The board is yellow, double sided and is visible in both directions. It has two red flashing lights to indicate the entrance and two yellow lights to indicate the exit.
73
Who must give you permission to pass a work site marker board at the entrance?
The Engineering Supervisor
74
Who must give you permission to pass a work site marker board at the exit?
The Person in Charge of Possession (PICOP)
75
If you were to pass either the entrance or the exit work site marker boards without authority, what would this be considered to be?
A SPAD.

Train Driver (8 decks)

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