Assertion: railroad's train | /r/HasProperty | susceptible to collision
Facets:
value: uniquely
type: MANNER
Source sentences:
text: Being guided by fixed rails which generate low friction, trains are uniquely susceptible to collision since they frequently operate at speeds that do not enable them to stop quickly or within the driver's sighting distance; road vehicles, which encounter a higher level of friction between their rubber tyres and the road surface, have much shorter braking distances.