Speeds SP

Question 1

Where would you find a published list of Temporary Speed Restrictions?

Answer 1

The WONs.

Question 2

What details would you expect to find published about TSRs?

Answer 2

Speed

Location

Mileage

lines concerned

reason for TSR

Question 3

What boards and equipment would you find associated with a TSR?

Answer 3

A warning board with associated portable AWS magnet 200 meters apart, followed by a Speed indicator board and then a termination board.

Question 4

Describe a cancelling indicator that is permanently installed on a single line?

Answer 4

White St Andrews cross with a blue background.

Question 5

What is the meaning of an AWS cancelling indicator and what does it look like?

Answer 5

This means that the AWS warning you have just cancelled does not apply to your train.

Question 6

What boards may be displayed as Spate Indicators and what is its meaning?

Answer 6

Then warning boards and Speed indicator boards may be displayed as SPATE,

This means Speed previously advertised terminated early.

Question 7

What action must you take when you pass a speed board?

Answer 7

control the speed of your train through out the speed restriction until the rear of your train has passed the termination board, to which you can then increase speed back to line speed.

Question 8

How long is a temporary speed restriction?

Answer 8

From the speed board to the termination board, plus the length f your train.

Question 9

What must you do if the warning board or speed indicator is missing?

Answer 9

The driver must tell the signaller immediately, stopping specially if necessary.

Question 10

What would you do if one light was out on an emergency indicator?

Answer 10

Report it to the signaller immediately, stopping specially if necessary.

Question 11

Head light defective, portable light available?

Answer 11

75 MPH

Question 12

Head light defective, No portable light available?

Answer 12

20 MPH

Question 13

Horn partially defective?

Answer 13

100 mph for 80x trains. This is a TOC specific instruction and may not be the same for other TOCs.

Question 14

Horn completely defective?

Answer 14

20 MPH

Question 15

Hot Axel box detected but normal heat?

Answer 15

Normal speed, Re-examine after 50 miles, or over another detector: no further evidence of overheating then normal speed.

Question 16

Axel box hot?

Answer 16

10 MPH to clear the mainline only, 5 MPH over points.

Question 17

Axel box hot, but not checked within 10 mins?

Answer 17

20 MPH to clear the mainline only, 5 MPH over points.

Question 18

Passing a signal at danger?

Answer 18

Reduced speed, being able to stop short of any obstruction, 15 MPH over any points.

Question 19

What is the max speed during single line working in the in the wrong direction?

Answer 19

50 MPH, 15 MPH over any points.

Question 20

What is the speed during single line working in the right direction?

Answer 20

Normal speed applies.

Question 21

What is the speed during temporary block working?

Answer 21

Max speed 50 MPH, 15 MPH over any points.

Question 22

What are the speeds for propelling movements?

Answer 22

20 MPH max to clear the line, 5 MHP in depots.

Question 23

What is the speed for driving in falling or disturbed snow?

Answer 23

100 MPH max, 10 MPH below line speed.

Question 24

What is the speed for driving with slight wheel flats?

Answer 24

Normal speed.

Question 25

What is the speed for driving with serious wheel flats?

Answer 25

20 MPH

Question 26

What is the speed if the ADD is isolated?

Answer 26

100 MPH for the class 91 traction, line speed using the other pantograph with the class 8XXs.

Question 27

What is the speed when air suspension isolated?

Answer 27

100 MPH with MK4 coaching stock, 75 MPH with class 8XXs formations.

Class 8XXs if you isolate one bogie, then the other bogie on the same vehicle must be isolated because this is to level the vehicle.

if the air suspension on Bogie 2 on a DPT vehicle is isolated, so will the sanding equipment on that vehicle. be isolated in addition.

Question 28

What is the speed if the AWS is isolated?

Answer 28

60 MPH with no competent person, 40 MPH during poor visibility with or without competent person. Normal speed with a competent person.

Question 29

What is the speed if the DSD becomes defective?

Answer 29

If the AWS/TPWS is operative the train can proceed at 60 MPH without a competent person, with a competent person, its line speed.

If the DSD, AWS/TPWS are defective the train must NOT MOVE until a competent person is provided and when this occurs then the 40 MPH restrictive speed applies. - rule change to the rssb rule book and this last part of the answer needs checked and re written.

Question 30

What is the speed if the TPWS becomes defective?

Answer 30

60 MPH without a competent person, and line speed with a competent person.

Question 31

What is the speeds when vehicle brakes are isolated?

Answer 31

the ratio is 1 in 5 or 2 in 10 allowed to be isolated, 10 MPH below line speed for one vehicle, 20 MPH below line speed for two vehicles but not below 35 MPH.

Question 32

What is the speed examining the line in a tunnel?

Answer 32

10 MPH, if you have a completely defective headlight then you can not examine.

Question 33

What is the speed examine the OHLE?

Answer 33

Not exceed 20 MPH, and be accompanied during the hours of darkness.

Question 34

If you are asked to examine an over bridge due to suspect damage what are your actions?

Answer 34

Stop before going under the bridge, Max speed 5 MPH.

Question 35

What speed do you carry out a line exam when requested to by the signaller?

Answer 35

Carry the line exam out at “caution” being able to stop short of any obstruction, or any other speed the signaller states.