17 Reasons to allow a train to pass a signal at danger Flashcards

Learn all 17 reasons to PSaD (Pass Signal at Danger)

1
Q

Signal is _____________

A

defective or disconnected

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2
Q

ERTMS equipment is ____________

A

defective or disconnected, and is preventing a MA from being issued

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3
Q

The signal cannot be cleared, or a MA cannot be sent because________

A

signalling or level crossing equipment has failed

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4
Q

For shunting purposes, a main aspect or stop signal is to be passed at danger when__________

A

there is no associated position light or semaphore shunting signal, or an EoA passed when it is not possible to issue a MA.

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5
Q
A
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6
Q

The signal cannot be cleared because a train or movement______

A

which has reversed, is then required to start back from beyond that signal

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7
Q

An electric train is to pass the signal or EoA____

A

protecting an isolated section, and proceed towards the limiting point

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8
Q

A train has been accepted using restricted acceptance because____

A

the line is clear only up to the home signal of the next signal box, and the section signal cannot be cleared.

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9
Q

In an emergency (and then only when authorised by SSM or Ops Control) on a TCB or ERTMS line, a signal or EoA is to be passed____

A

so that a train carrying passengers can enter an occupied section to use a station platform (Emergency Permissive Working).

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10
Q

An engineering train is to___

A

move towards a possession, or leave a line under possession at an intermediate point

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11
Q

A train is to pass the signal or EoA protecting engineering work, under TS1 13.2, to gain access to____

A

A station where the train is required to start back,
A line under Single Line Working (SLW),
A Siding.

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12
Q

The line is to be_________ to to check that it is clear.

A

Examined

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13
Q

A train is to proceed at caution through an Absolute Block section from the signal box in rear when ______

A

a failed train has been removed.

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14
Q

A train is to enter the section after: ________

A

A train or vehicle that has proceeded without authority has been removed
OR
The front portion of a divided train has passed through the section.

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15
Q

A train is to enter the section to____ (failed train)

A

R - Remove a portion of a divided train
E - Evacuate passengers of a failed train
A - Assist a failed train
R - Remove a train or vehicles that have proceeded without authority

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16
Q

(scenario prompt): one line of a double line has been obstructed. While this is being dealt with, the opposite line is clear and safe for the passage of trains. What must you implement to keep trains running?

A

Single Line Working (SLW) applies

17
Q

Working by ______ or ________ working applies

A

“PILOT”, “Modified”

18
Q

An engineering train is to enter_____

A

a protection zone