Boards & Indicators Flashcards
Caution to Stop Next Signal
Next signal at caution and prepare to stop.
Medium Clear Next Signal
Next signal showing clear medium speed.
Normal Clear Next Signal
Next signal at clear normal speed.
Medium to Stop
Next signal showing medium speed. Prepare to stop.
Stop at Next Signal
Next signal at stop or low speed.
What action do you take at an ‘All Trains Stop’ board?
- Stop before the ‘All Trains Stop’ board.
- Do not pass without the correct authority in accordance with local network instructions.
What is the purpose of a Permanent Speed Board?
Permanent speed boards are erected to indicate the exceptions to the authorised maximum line speeds affecting all rail vehicles unless ETCS indicates a higher speed.
What must the operator ensure when approaching, passing, and clearing a Permanent Speed Board?
- Reduce the speed of their rail vehicle before it reaches the speed board, and
- Not exceed the indicated speed over the speed restricted area until the last vehicle is clear of the speed restricted area.
Describe a Curve Board
Curve boards are rectangular and have a white background with black numerals showing the maximum speed in kilometres per’ hour.
Where are Curve Boards placed?
They are erected near the entrance of curves where a reduction in the maximum line speed applies.
Where are Curve Warning Boards required?
If a reduction in speed of MORE THAN 15 KM/H is required on the curve ahead.
How are Temporary Speed Restrictions advised?
In the temporary speed restriction advice bulletin.
Temporary Speed Restriction Outer Speed Boards are placed _______ metres from the defective location.
1550
In the case of temporary speed restrictions, the defective area is identified by Inner Speed Boards or ’C’ board and ’T’ boards. What does the ’C’ and ’T’ stand for?
’C’ board is for Commencement and ’T’ board is for Termination.
Your train approaches a curve with two boards attached to a post. The upper board has a white background, the lower board has a yellow background. Both boards use black numerals.
What does the white board convey?
The speed for this curve.