Assertion: road's lane | /r/HasProperty | arranged within single carriageway
Facets:
value: to separate opposing flows of traffic
type: PURPOSE
value: with no central reservation
type: OTHER
Source sentences:
text: A single carriageway (British English) or undivided highway (American English) is a road with one, two or more lanes arranged within a single carriageway with no central reservation to separate opposing flows of traffic.