Assertion: ballastless track | /r/HasProperty | considered for new high speed
Facets:
value: for localised replacement
type: PURPOSE
value: usually
type: TEMPORAL
value: very
type: DEGREE
value: in short extensions
type: OTHER
value: in tunnels
type: LOCATION
Source sentences:
text: Ballastless track is usually considered for new very high speed or very high loading routes, in short extensions that require additional strength (e.g. railway stations), or for localised replacement where there are exceptional maintenance difficulties, for example in tunnels.