Assertion: location marker | /r/HasProperty | made unlike traditional milestones
Facets:
value: from a variety of materials
type: OTHER
Source sentences:
text: Unlike traditional milestones, however, which (as their name suggests) were originally carved from stone and sited at one-mile intervals, modern highway location markers are made from a variety of materials and are almost invariably spaced at intervals of a kilometre or a fraction thereof (except in the United States, and United Kingdom where miles are used on roadways).