Assertion: block | /r/HasProperty | 200m long
Facets:
value: to satisfy the safety requirement
type: PURPOSE
Source sentences:
text: If train 8 hits a trip stop travelling at 60kph and it requires 200m to stop, the block separating train 8 from train 9 must be at least 200m long to satisfy the safety requirement.
text: A block may be 200m long
text: The signaling system considers the length of the train to be the same as the length of the block - if the block is 200m long, the train is considered to be 200m long.