Random Mix Flashcards
Before allowing a train to approach.
3.4.1
. The line, or at a facing junction the line for which the facing points are set, is clear up to and including the clearing point.
. All the points within the clearing point have been set for the safety of the approaching train
. No conflicting movement has been authorised that will cross or foul the line within the clearing point.
. No train has been accepted from another direction that requires a portion of the same line within the clearing point for acceptance.
When must blocking back inside home signal be used?
. Any movement that will be stopped on the running line.
. If work which will affect the safety of the line is to take place within the clearing point as shown in module TS1 general signalling regulations, regulation 13.2
. A work-site market board for a T3 possession, or work that will make the line unsafe within the work site
. An out of gauge moment.
. Any other obstruction
You must not allow trains carrying passengers into goods lines or goods loops unless
. The arrangements have been published, or
.it is an emergency, as long as you have been authorised to do so by the signal box supervisor or ops control
The definition of a stop signal
A stop signal is a signal that can show a stop aspect or indication.
Definition of a distant signal
A distant signal is a signal which cannot show a stop aspect or indication.
Some colour light distant signals are identified by a white triangle or the letters ‘R’ or ‘RR’ on the signal identification plate.
WASL
Work that affects the safety of the line
How do we communicate with train drivers
. In person
. Telephone
. Cab secure radio (CSR)
. GSMR (Global system for mobile communication railway)
. Signal post telephone (SPT)
. Crossing phone
. Hand signals
. Bells
What is the definition of a clearing point track circuit?
The track circuit or circuits beyond the home signal that control the block indicator
What is the allocated distance for braking distance between the distant signal and home signal?
400 metres
Would we ever cancel a train in the AB section?
No
What do we do if we receive 4-5-5
Try to stop the train
Acknowledge
You must also send obstruction danger when you see, or become aware of, a train approaching for which you have not:
. Acknowledge is line clear
. Received train entering section
. Received train or vehicles proceeding without authority in the right direction (SPAD)
. Acknowledged shunting into forward section
What criteria must be met before offering a train to the signal box in advance during normal method of signalling.
. You must receive train out of section for the previous train
. The block indicator for the line concerned must be at normal
You must not allow the clearing point to be obstructed for a train that has been accepted, unless….
. The train has been stopped at the home signal
. The train has passed beyond any points or crossings that you need to use within the clearing point.
. You have received cancelling 3-5 for the train from signal box A
. The train has failed
What criteria must be met before offering a train to signal box in advance. Normal mode of signalling
. 2-1 must have been received for previous train
. Block indicator must be at Normal
At what point must you send train entering section to signal box in advance
. When the train passes the signal box
. When the train passes the location shown in SBSI
If a train has been accepted by the signal box in advance and is beyond your signal box, when do you send train entering section if you have an intermediate block section
. As soon as train has been accepted
. Once the intermediate block home signal has been cleared
You must not allow the clearing point to be obstructed for a train that has been accepted, unless
. The train has been stopped at the home signal
. The train has passed beyond any points or crossings that you need to use within the clearing point.
. You have received cancelling for the train
. The train has failed
What is the definition of an automatic signal?
A signal operated by the passage of trains, the signaller or a person operating a signal post replacement switch can place some automatic signals to danger
What is the definition of a semi-automatic signal?
A signal normally operated by the passage of trains, but can also be controlled from a signal box or a ground frame, or by a person operating a signal post replacement switch.