About: http://webisa.webdatacommons.org/309345220

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	The rules of the road, such as speed limits, siting of traffic signals, etc. are generally determined by engineering studies.
http://www.w3.org/ns/prov#wasQuotedFrom	econlib.org