Introduction to level crossings

Question 1

What is an AOCL? TS9-1 (1)

Answer 1

Automatic Open Crossing Locally Monitored.

Question 2

What is an ABCL? TS9-1 (1)

Answer 2

Automatic Barrier Crossing Locally Monitored.

Question 3

What is an AHBC? TS9-1 (1)

Answer 3

Automatic Half Barrier Crossing.

Question 4

What is R/G? TS9-1 (1)

Answer 4

Crossing with red and green warning lights (UWC and automatic crossing).

Question 5

What is MCB? TS9-1 (1)

Answer 5

Manually Controlled crossing with Barriers.

Question 6

What is MG? TS9-1 (1)

Answer 6

Manually controlled crossing with Gates.

Question 7

What is RC? TS9-1 (1)

Answer 7

Remotely controlled crossing with barriers.

Question 8

What is CCTV? TS9-1 (1)

Answer 8

Barrier crossing with closed-circuit television.

Question 9

What is OD? TS9-1 (1)

Answer 9

Barrier crossing with obstacle detection.

Question 10

What is a UWC? TS9-1 (1)

Answer 10

User Worked Crossing: Occupation and accommodation (including bridleway) crossing.

Question 11

Where would you find the locations of controlled, automatic, open, and traincrew-operated level crossings? TS9-1 (1)

Answer 11

Table A of the sectional appendix.

Question 12

What does AHBC-X mean? TS9-1 (1)

Answer 12

An AHBC can be operated by trains making wrong-direction movements.

Question 13

Are Automatic Half Barrier Crossings interlocked with signals? (1)

Answer 13

No.

Question 14

If there is a crossing clear button, what must you make sure of when lowering controlled barriers, before pressing the crossing clear button? NOI-unit 27-6.2.1 (2)

Answer 14

The barriers are fully lowered, and the crossing is clear of obstructions.

Question 15

If there is no crossing clear button, what must you make sure of when lowering controlled barriers, before clearing the protecting signal? NOI-unit 27-6.2.2 (2)

Answer 15

The barriers are fully lowered, and the crossing is clear of obstructions.

Question 16

When you receive a telephone call from a crossing, what information must you find out? TS9-2.1.1 (3)

Answer 16

Which crossing the user wants to use.
What is required to pass over the crossing.
How long it will take.

Question 17

If there is enough time for the user of a crossing to use the crossing before the next train passes, what must you tell the user? TS9-2.1.1 (1)

Answer 17

Tell the user to use the crossing immediately.

Question 18

If there is not enough time for the user of a crossing to use the crossing before the next train passes, what must you tell the user? TS9-2.1.1 (1)

Answer 18

Tell the user to wait and telephone again.

Question 19

What must you do before you authorise anyone to use the crossing with animals or large, low or slow-moving road vehicle, or anything with small wheels that may get caught in a flangeway? TS9-2.1.2 (5)

Answer 19

Find out from the crossing user how long the movement will take.
Make sure there is enough time between trains to prevent delay.
Make sure that the protecting signals are placed or kept at danger.
Make sure that any approaching train has passed clear of the crossing.
Tell the user to report back when the movement has passed over the crossing.

Question 20

When can you resume normal working after authorising anyone to use the crossing with animals or large, low or slow-moving road vehicle, or anything with small wheels that may get caught in a flangeway? TS9-2.1.2 (1)

Answer 20

Once the crossing user has reported that the movement has passed clear of the crossing.

Question 21

If after authorising a user to use the crossing with animals or large, low or slow-moving road vehicle, or anything with small wheels that may get caught in a flangeway, what must you make sure the Driver of each train is told if the user does not report back that the movement has cleared the crossing, and how long must this continue for? TS9-2.1.2 (4)

Answer 21

Approach the crossing at caution.
Not pass over until safe to do so.
Tell you whether the crossing is safe for the passage of trains.
You must do this until you are told that the crossing is safe for the passage of trains.

Question 22

What must you do if you are not able to hear or understand what the caller is saying? TS9-2.1.3 (1)

Answer 22

You must caution the Driver of each train until you are sure the crossing is safe for the passage of trains.

Question 23

What details must be recorded from each telephone call at a crossing? TS9-2.2 (5)

Answer 23

The name of the crossing.
The time and nature of the request.
How long the caller says the movement or work will take.
The time you give permission for the movement or work.
The time the movement is reported clear or the work is finished.

Question 24

What must you do if the telephone at a crossing has failed? TS9-2.3 (2)

Answer 24

You must tell the Driver of each train to approach the crossing at caution and not pass over it until the Driver has made sure it is safe to do so.

Question 25

When do you not need to caution Drivers if the telephone at a crossing has failed? TS9-2.3 (3)

Answer 25

If a person is appointed who can contact you using other means of communication at an automatic crossing.
There is another way of communicating that allows the crossing to be used safely at a user-worked crossing.
A user-worked crossing has been temporarily secured out of use.

Question 26

What must you arrange for if you become aware that vehicle gates have been left open? TS9-2.4 (1)

Answer 26

You must arrange for them to be closed.

Question 27

What must you tell the Driver of the next train that is ready to pass over the crossing before you have had confirmation that the gates have been closed? TS9-2.4 (4)

Answer 27

Approach the crossing at caution.
Not pass over the crossing until the Driver has made sure it is safe to do so.
Tell you whether the vehicle gates are closed.
If necessary, you must ask the Driver to close the gates.

Question 28

If a train has fails between the protecting signal and the crossing, or is occupying a controlling track circuit, what assurance must you get from the Driver? TS9-2.6 (1)

Answer 28

You must get an assurance from the Driver that they will make no further movements, without getting your permission first.

Question 29

When an attendant takes duty at an AHBC, CCTV, OD or RC crossing, what four things must you tell the attendant if any lines will be affected? TS9-2.7 (4)

Answer 29

Line Blockage.
Possession.
SLW.
WDM.

Question 30

Is road traffic passing over a level crossing controlled by your Signal Box, within the clearing point of a signal, classed as an obstruction when accepting a train? TS9-2.8 (1)

Answer 30

No