About: http://webisa.webdatacommons.org/260583582

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It is not uncommon to see barriers used only to shield built hazards like the approach end of a bridge railing or a culvert headwall, but terrain and other natural obstructions such as ditches and trees are not addressed.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov