About: http://webisa.webdatacommons.org/449130909

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	Warning signs are found in the W series of the national MUTCD. They highlight existing conditions, such as a curve, school, dead end street, or traffic signal.
http://www.w3.org/ns/prov#wasQuotedFrom	dreamstime.com