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NSW Safeworking > Section 6: Responding to network signals and Indicators/signs > Flashcards

Section 6: Responding to network signals and Indicators/signs Flashcards

1
Q

A signal

A

a trackside piece of infrastructure that provides the train crew a visual indication of the status of the track ahead of the intended movement

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2
Q

Train Crew and Qualified workers directing shunting and propelling movements must obey the indications and instructions displayed by

A

signals, indicators and signs

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3
Q

Conditions Affecting the Network information may be recorded on a

A

CAN form.

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4
Q

CAN form

A

an advice form to drivers warning of conditions affecting the network such as defective level crossings and other associated infrastructure

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5
Q

If a train is standing at a signal, the Network Controller MUST NOT change the indication of the signal to a more restrictive aspect unless

A

there is a CAN or the route needs to be altered and it is safe to do so

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6
Q

A running signal authorises

A

a through movement between that signal and the next running signal

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7
Q

A subsidiary signal does not give confirmation that

A

the line ahead is completely clear from a through train movement

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8
Q

If a shunting/subsidiary signal is used to authorise (RED/RED, Small steady yellow) rail traffic to pass a running signal at STOP train crew must

A

Proceed at restricted speed

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9
Q

A proceed indication by a shunting signal is an authority to PROCEED up to and not beyond the first of the following limits reached

A

shunt limit sign, stop sign, indicator showing the points are not set, catch points are open or a derail device is set, set of non interlocked points, signal for the direction of travel

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10
Q

A Network Controller may use a subsidiary shunting signal to authorise rail traffic to pass a home signal, if the running signal

A

fails to clear or cannot be cleared because rail traffic occupies the line beyond the signal

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11
Q

If the appropriate running or shunting signal cannot be cleared for the intended movement then the rail traffic movement must be made in accordance with

A

rule NSG 608 passing signals at STOP, whereby a Special Proceed authority may need to be compiled in some circumstances

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12
Q

Special Proceed Authority

A

a form used to authorise rail traffic movements when the Proceed Authority normally provided by the system of Safeworking in operation is not available

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13
Q

The SPA form is usually

A

compiled by train crew as dictated by the Network controller, then repeated back to the Network controller and confirmed as correct if read back exactly as dictated

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14
Q

If both a co-acting signal and the associated primary signal display stop,

A

Rail traffic may pass the co-acting signal, but must STOP at the associated primary signal

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15
Q

Signals may be passed at STOP by rail traffic only in accordance with

A

the relevant network Rule NSG 608 - Passing Signals at Stop and may require a Special Proceed Authority (SPA) form to be compiled

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16
Q

CLOSE UP signals indicate

A

that the line to the next signal is not occupied. They authorise rail traffic to PROCEED, but to expect the next signal to be at STOP

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17
Q

What does a CLOSE UP signal look like

A

RED or RED/RED with a subsidiary that has “CLOSE UP” sign on it

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18
Q

What doe LOW SPEED signals look like?

A

Small in line green light. RED or RED/RED with little green

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19
Q

Low speed aspects indicate

A

that the line to the next signal is not occupied. They authorise traffic to PROCEED but to expect: the next signal to be at STOP and the line beyond the next signal to be occupied

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20
Q

A PROCEED indication shows that

A

interlocked points protected by the signal are set in the correct position for the movement and no conflicting route has been set. The block is unoccupied as far as the next running signal

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21
Q

A PROCEED indication by a shunting signal does not indicate

A

that the block ahead is unoccupied - a shunting signal will not show a clear indication (green)

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22
Q

A fixed signal indication must be treated as STOP if

A

it is an illegal signal indication, there is no indication, there is no indication other than the route indicator or it is not understood

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23
Q

A signal indication is illegal if it is not consistent with

A

the aspects and indications used in the railway network, the indications of adjoining signals and the known condition of the line, what is known about the occupancy of the line

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24
Q

Qualified Workers must report illegal signal indications to

A

the Network control officer responsible for the portion of line. Affected signals must not be used to provide PROCEED indications before they can been certified back into use

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25
Q

If a light in a colour light running signal is not visible, Drivers or track vehicle operators must

A

act as if the aspect is the most restrictive combination for the remaining displayed lights

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26
Q

If a colour light signal shows a PROCEED indication without the route indicator being visible, drivers must

A

obey the PROCEED indication

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27
Q

If, in darkness, no lights are displayed by a semaphore signal, drivers must

A

obey the indication displayed by the signal arm

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28
Q

A signal that is not in use must

A

have a large white X hung over the signal or if next to a functioning signal, have its head covered or turned away from the line

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29
Q

Signals for a unidirectional line are prefereably to the left of the line in the direction of travel. If this is not possible, they may be placed

A

above the line or to the right of the line

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30
Q

Signals for a double-line bidirectional line are usually

A

for travel in the usual running direction, to the left of the line and for travel opposite to the usual running direction, to the right of the line

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31
Q

If a signal is placed to the right of the line//

A

a left pointing arrow may be used to indicate the line to which the signal applies

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32
Q

In Token Territory, treat YARD LIMIT signs as

A

absolute PROCEED only when authorised by the Network Control Officer (only proceed past the sign with Authority from the Network Control)

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33
Q

In Token territory, treat YARD LIMIT P signs as

A

STOP, treat as permissive. Check that the line ahead is not obstructed then proceed at restricted speed

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34
Q

In Train Order territory, treat YARD LIMIT sign as

A

STOP unless authorised to PROCEED on a Train Order

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35
Q

In Train Order territory, treat X sign

A

as departure end yard limit of a location. It required by the Train Order, report departure beyond the location

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36
Q

In signalled territory treat YL and EYL

A

in accordance with the Proceed Authority

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37
Q

When passing a decreasing speed limit sign, drivers must

A

make sure that the front of the train passes the sign at or below the speed given by the sign

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38
Q

If speed signs allow an increase in speed

A

drivers must not increase speed until the rear of the train has passed the speed sign

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39
Q

Network Control Officers must warn drivers entering a portion of track affected by temporary speed restrictions until

A

the Maintenance Representative says that they can travel at normal speed, temporary speed been installed or affected portions of track are protected by HandNetwork Control Officers

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40
Q

If temporaty speed restrictions are continued the Maintenance Representative must

A

advertise the restrictions in a Weekly Speed Notice

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41
Q

Describe temporary track speed signs for passenger trains

A

black text on white background

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42
Q

Describe temporary track speed signs for freight trains

A

Black text on a yellow background

43
Q

For temporary track speed signs, a speed indication plate at the bottom of a sign shows the speed that is going to apply between

A

the next CAUTION sign and the following CAUTION or CLEARANCE sign

44
Q

For temporary track speed signs, a speed indication plate at the top of a sign shows the speed that applies

A

from the sign to the next sign

45
Q

Describe the warning sign for Temporary speed signs

A

2500m before the affected portion of track, white text on blue background with a blue flashing light. The bottom of the sign shows the limit that applies in the affected section

46
Q

Describe the Caution sign for Temporary speed signs

A

50m before the affected portion of track, Red text on a yellow background with an amber flashing light. The top of the sign shows the limit that applies in the affected portion

47
Q

Describe the clearance sign for Temporary speed signs

A

50m beyond the affected portion of track. Black text on a white background with a white flashing light. Temporary speed restriction no longer applies. Normal speed may be resumed

48
Q

When there are multiple routes that might give access to an affected line temporary speed signs must

A

be placed on all lines that might give access to the affected line and warning and caution signs must have a supplementary sign to indicatre the track to which the speed restriction applies (Blue arrow on white background)

49
Q

Describe Permanent speed signs

A

Are fixed to the line at locations nominated in the Train Operating Conditions (TOC) manual and show the maximum speed for the portion of line

50
Q

Black and yellow permanent speed sign applies to

A

NORMAL: locomotive hauled passenger and freight trains, CityRail trains, All track maintenance Vehicles, Rail motors and 620 class diesel trains

51
Q

Black and white permanent speed signs apply to

A

XPT, Explorer, Endeavor, Hunter

52
Q

Black and white with MU permanent speed signs apply to

A

MULTIPLE UNIT: XPT, Xplorer, Endeavor, Hunter, Cityrail Trains

53
Q

If there is no speed sign at a turnout…

A

rail traffic must not travel faster than 25km/h through the turnout

54
Q

Black and yellow turnout speed sign applies to

A

NORMAL TURNOUT: locomotive, hauled passenger and freight trains, CityRail trains, All Track Maintenance Vehicles, Rail Motors and 620 class diesel trains

55
Q

Black and white turnout speed signs apply to

A

XPT TURNOUT: XPT, Xplorer, Endeavor, Hunter

56
Q

Black and white with MU turnout speed signs apply to

A

MULTIPLE UNIT TURNOUT: XPT, Xplorer, Endeavour, Hunter, CityRail trains

57
Q

Advisory speed signs

A

Provided where there is not enough sighting distance, to allow trains travelling at the indicated speed to stop at the second signal ahead

58
Q

Describe an advisory speed sign

A

Round yellow sign with Red text

59
Q

Freight train speed signs indicate

A

a maximum speed of 80km/h for freight trains travelling inside the area bounded by Ourimbah, Westmead, Casula and Unanderra, including Coniston to Port Kembla North

60
Q

Describe a Freight train speed sign

A

White sign with Black text and a blue circle with a yellow speed in the middle

61
Q

Electric trains must not pass electric train stop signs except if

A

they are authorised to travel with pantographs lowered as they will run out of contact with overhead wire

62
Q

No Safe Place signs are provided in the network where

A

there is no safe place to retreat to to avoid being struck by rail traffic

63
Q

Rail traffic MUST NOT pass an absolute signal at STOP unless it is authorised to do so by

A

the Network Controlled, By a HandNetwork Controller acting under the Network Controller’s instruction or Under a method of Special working

64
Q

Rail traffic MAY pass a permissive signal at STOP is the

A

Network controller does not instruct the Train crew to remain standing at the signal, train crew considers that it is safe to pass the permissive signal (Stop, boil kettle, discussion, contact control, wait 1 min)

65
Q

If a signal at STOP carries an instruction sign, drivers must

A

follow the directions on the sign

66
Q

If a signal at STOP does not clear within the expected time, Train crew must

A

try to speak to the Network Controller unless exempted by rule 608 and must give the Network Controller their train number, signal number/signal designation

67
Q

Before authorising a driver to pass an absolute signal at stop, the Network Controller must get available information about the condition of the black ahead from

A

the track indicator diagram, records of previous rail traffic movements, work on track authority records, reports about the location of the last rail traffic to enter the block, The Network Control Officer at the other end of the section (if applicable)

68
Q

In regards to the condition of the block ahead, the Network Controller must make sure that

A

points are set correctly for the route, points that are facing points or become facing points are secured

69
Q

In regards to the condition of the block ahead, the Network Controller must tell the train crew

A

the location of the last rail traffic to enter the block or that it has left the block complete, the location of obstruction or failed infrastructure in the block or that the block has been reported as not obstructed, whatever else is known or not known about the condition of the block ahead

70
Q

If the condition of the block ahead is not known, the driver of the first rail traffic to transit the block must report

A

the condition of the block to the Network Control officer as soon as practicable and when the train or track vehicle has exited the block

71
Q

How would a Network Controller obtain information about the condition of the block ahead?

A

Reports from trains that had previously passed, contacting other network controllers, track indicator diagrams

72
Q

Authority required to pass a signal at stop for movements beyond yard limits, starting or home starting on rail vehicle detection territory bidirectional portions of line (Absolute)

A

Rules 302, 304, 514, 516

73
Q

Authority required to pass a signal at stop for movements within yard limits, starting or home starting on rail vehicle detection territory bidirectional portions of line (Absolute)

A

Rule 418

74
Q

Authority required to pass a signal at stop for starting or home/starting at attended locations in token territory (absolute)

A

Network Controller (Token)

75
Q

Authority required to pass a signal at stop for starting or home/starting on Rail Vehicle Detection territory unidirectional portions of line (Absolute)

A

Network Controller (RVDT)

76
Q

Authority required to pass a signal at stop for Home, outer home or accept at attended locations (Absolute)

A

Network Controller (Attended)

77
Q

Authority required to pass a signal at stop for Starting, Home/starting, home, outer home or accept at unattended locations (Permissive)

A

608 (permissive)

78
Q

Authority required to pass a signal at stop for Outer home fitted with a P sign (Permissive)

A

608 (P sign)

79
Q

Authority required to pass a signal at stop for automatic signals (permissive)

A

608 (auto)

80
Q

Authority required to pass a signal at stop for Repeater signals (Permissive)

A

Instruction sign (Rptr)

81
Q

Authority required to pass a signal at stop for Distant Signals (Permissive)

A

Instruction sign (Dst)

82
Q

Within the limits of a LPA or TOA, drivers must pass signals at STOP in accordance with

A

rule NWT 314 work trains - workers trains only to pass into the section with authority

83
Q

If not able or required by rule 608 to speak to the Network Controller (Permissive signals), then drivers must

A

wait one additional minute over the expected time before passing permissive signals at STOP

84
Q

Before passing an automatic signal at stop when the train crew can see that the block ahead is obstructed,

A

they must speak to the Network conroller

85
Q

Before passing an automatic signal at stop when the train crew cannot the block ahead

A

they must try to speak to the Network Controller

86
Q

If the train crew is unable to speak to the network controlle, they may pass the automatic signal at STOP if

A

they can see that the whole block ahead to the next signal is unobstructed

87
Q

When passing a signal at stop, the train crew must record

A

in permanent form, the time and the signal number or designation of the signal passed at stop

88
Q

At unattended locations before passing home, outer home or accept signals at STOP, or outer home signals fitted with P signs, a train crew must

A

confirm that the location is unattended, make sure that the line ahead is unoccupied, make sure there is no conflicting movement, makes sure the route is set, proceed at restricted speed

89
Q

Before passing a starting signal at stop at unattended locations in token territory

A

a train crew must hold the correct token for the section or a SPA

90
Q

Beyond a permissive signal at STOP, drivers must

A

travel at restricted speed, not rely on assurances that the block ahead is clear, expect that the first signal ahead to be at stop

91
Q

If rail traffic in the block ahead needs assistance, the Network Control officer must act in accordance with

A

Rule 414 - Defective vehicles and Rule 416 - disabled trains

92
Q

Rail traffic must not pass main line indicators and mechanical point indicators at STOP unless

A

points have been checked and set for the route, and if necessary, the points have been clipped and locked

93
Q

A movement overruns its limit of authority if, without authority it

A

passes a signal at STOP (SPAD), passes a sign that shows a limit of authority, exceeds the limit of a Train Order or SPA, or enters a block without the correct authority

94
Q

SPAD

A

Signal passed at danger, a rail track signal passes at STOP in either the forward or reverse direction without authority (signal not cleared)

95
Q

Driver who find that they have overrun a limit of authority must immediately

A

stop their trains, tell the Network Control Officer

96
Q

In response to an overrun of authority, the Network Control Officer must

A

stop rail traffic that has overrun its limit of authority and not stopped, stop and prevent other movements that are at risk, tell affected drivers to wait for further instructions, if a starting or home/starting signal has been passed, tell affected Network controllers, tell the train transit manager

97
Q

In response to an overrun of authority, the Network Control Officer must arrange to

A

determine the method of working to be used to clear the tain, assess if the train crew is fit to continue the journey, tell the affected operators representative, issue a Network Incident Notice (NIN)

98
Q

Blocking facilities are facilities or devices used by Qualified Workers to prevent

A

unintended issue of Proceed Authorities or Signalling or point equipment operation

99
Q

Unless allowed in rule 614, Equipment with blocking facilities applied

A

must not be operated and Network Controllers must not issue Proceed Authorities for sections the Train control diagrams show as blocked out of use

100
Q

In regards to Blocking facilities, unless you are assured by the Network Control Officer, do not assume that

A

signals have been set at STOP, points have been correctly set, blocking facilities have been applied

101
Q

Blocking facilities may be temporarily removed from controls in the following conditions

A

to set a different route using the same controls, after safe arrangements have been made to clear a signal to permit a movement over the blocked route, for maintenance and testing of the signalling equipment or with the agreement of the Posession Protection officor or Protection Officor to allow work train entry or exit to limits of LPA or TOA

102
Q

Blocking facilities must be removed from controls when

A

the conditions that required their application no longer exist

103
Q

Network control Officers must record, in permanent form, the removal and application of blocking facilities

A

for maintenance and testing of signalling equipment, to allow entry to the limits of an LPA or TOA

104
Q

In regards to blocking facilities, Qualified Workers at unattended locations must

A

record in permanent form application and removal of blocking facilities, tell the Train Controller that blocking facilities have been applied or removed

NSW Safeworking (13 decks)

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