Speeds And Lineside Signage Flashcards
(42 cards)
Where can you find details of all line speeds?
Table A diagrams in the sectional appendix
What does a standard permissible speed indicator board look like?
Red circle, white background with black speed number (mph)
Red circle, black background with white speed numbers (kmh)
What does a reduction in speed warning sign look like?
Upside down triangle, yellow border
White background black speed number (mph)
Black background white speed number (kmh)
What is the length of a speed restriction?
The length of the restriction plus the length of your train
What do tilting train speed boards look like?
Either red circle, yellow background with black speed number across the middle and EPS at the top
Or yellow sign with black speed numbers and EPS at the top
What do speed boards referring to diverging junctions look like?
Standard speed board with arrow pointing the direction of the junction
What is the set up of a speed warning indicator?
AWS magnet 180 metres before the speed warning board.
Then suitable braking distance before the speed commencement board
If a speed warning board has two sets of numbers on it, one above the other. What does each number mean
The highest number will be at the bottom and relate to passenger trains, parcel and postal trains and light locomotive.
The lower number at the top relates to all other trains
Some permissible speed boards relate to different train categories and will have the train class code marked on the board. What are these codes?
HST = high speed train
MU = multiple unit trains
DMU = diesel multiple units
EMU = electric multiple units
SP = sprinter
CS = Class 67 Loco
What do temporary speed restriction warning boards look like?
Yellow board with black speed numbers and yellow board across the bottom, sticking out either side with two white reflective circles (normal)
If the yellow board across the bottom is the same width as the side this indicates limited clearance
Where can details on temporary speed restrictions be found?
Published in the WON’s
What does TSR stand for?
Temporary Speed Restriction
What does a temporary speed indicator commencement board look like
Yellow square with black speed number on it
What does a temporary speed termination board look like?
Yellow rectangle with a black T in the middle
Or
Yellow rectangle with black A in the middle (acceleration board)
What is the basic set up for a temporary speed restriction?
AWS magnet 180 metres before the TSR warning board, then suitable braking distance (can vary depending on traction, speed reduction, gradient etc)
TSR commencement board
Speed restricted Track
TSR termination board
What does S.P.A.T.E stand for?
Speed Previously Advised Terminated Early / Not at all
What does a SPATE board look like?
Yellow rectangle with black diagonal line across
If a TSR is terminated before the published time where will the SPATE boards be placed?
Over the TSR Warning and Commencement Boards (but not the Termination Board).
When can a AWS magnet be placed nearer then 180 metres?
When there is no suitable place around the 180 metres mark due to infrastructure or other AWS magnets
What’s the minimum distance from a warning board you can place an AWS magnet?
45 metres
What must you do if you notice any incorrectly placed, missing or more restrictive TSR warning or commencement indicators?
Report it to the signaller immediately, stopping your train to do so if required
What does ESR stand for?
Emergency Speed Restriction
An ESR is created when a TSR has what conditions?
P - PUBLISHED but times, speeds & limits are different than that stated in the WON.
O - OVER-RUN or applies at a time not shown in the WON.
R - RE-IMPOSED after being eased, removed or withdrawn.
N - NOT published in the WON.
A - AMENDMENT to the WON published.
PORN A
What does an emergency speed restriction indicator board look like?
Large yellow rectangle with black chevrons on it and two flashing white lights, one above the other