Speeds Flashcards
In which publication can you find details of permanent speed restrictions?
Sectional appendix table A
Route maps
Draw a warning indicator for a permanent speed restriction?
When will warning indicators for permanent speed restrictions be associated with an AWS magnet?
When the line speed is over 60mph and will be reduced by 1/3 (one third) or more
According to the sectional appendix, what trains do the following letters apply, when associated with a permanent speed restriction?
MU
HST
SP
DMU
EMU
MU - multiple unit
HST - high speed train
SP - sprinter
DMU - diesel multiple unit
EMU - electric multiple unit
To what kind of lines do these speed restriction boards apply?
In what section of what publication would you find details of temporary speed restrictions?
Section A of the Weekly operating notice (WON)
What details regarding the temporary speed restriction will be published in this publication?
Date - start/finish
Speed restriction
Location miles/chains - starting /finishing points
Lines affected
Other remarks
If a warning board for a temporary speed restriction is placed at the signal and the signal is displaying a green aspect, what audible warning will you receive from the AWS and why?
The horn
This is due to the AWS placed specifically, for the TSR warning board
What does SPATE stand for
Speed previously advised terminated early.
If a TSR has been withdrawn and a SPATE board used, which boards would the SPATE board replace in the TAR setup?
Warning board
Speed indication
Repeater board
Under what circumstances does a temporary speed restriction become an emergency restriction?
When the restriction has ended early and then reinstated
When it’s has moved location or been extended
Overrun of time period
Not shown in the WON
More restrictive than was published
On a speed differential board what do the top and bottom (higher speed) mean?
Top - freight trains
Bottom - passenger, postal, ECS, Class 67 loco
State three places where a repeating warning board will be placed?
Station platform
Sidings
Dead end line/ platform lines
What equipment in a temporary or emergency speed restriction MUST be reported immediately if missing, defective or in a different place from advertised?
EROS (emergency restriction of speed or emergency speed indicator)
Warning board
Speed restriction board
Repeater board
What sign (equipment) that is missing in a temporary or emergency speed restriction setup can be reported at the first convenient opportunity?
Termination board
State three circumstances when a blanket speed restriction may be implemented?
Whether
Operational reasons
OLE issues
- A speed restriction which applies to an area rather than a geographical location.
Fault speed
DVD/DSD isolated with Competent person (CP)?
Line speed
Fault speed
DVD/DSD isolated, NO Competent person (CP)?
60mph
Fault speed
DVD/DSD and AWS/TPWS isolated with Competent person (CP)?
40mph
Fault speed
DVD/DSD and AWS/TPWS isolated
NO Competent person (CP)?
DO NOT MOVE
Fault speed
AWS/TPWS isolated with good visibility and competent person (CP)?
Line speed
Fault speed
AWS/TPWS isolated with good visibility
NO competent person (CP)?
60mph
Fault speed
AWS/TPWS isolated, poor visibility (snow, rain, dark)?
40mph
Fault speed
Air suspension (train in passenger service)
45mph
Fault speed
Air suspension (ECS)
Line speed
Fault speed
Failed headlight
20mph
Fault speed
Portable headlight fitted
75mph
Fault speed
Warning horn complete failure
20mph
Fault speed
Automatic brake not continuous
5 MPH
Fault speed
Lifeguard missing on leading vehicle
10mph
Fault speed
Lifeguard bent but not touching wheel on leading vehicle
40 mph
Fault speed
Dragging brakes (unable to release)
5 mph
Fault speed
Brake defective and isolated
(Intermediate vehicle (1 in 5 rule))
Line speed - (minus) 10
To 35 mph
Inspecting the OLE in poor weather
20mph max but must have competent person
