About: http://webisa.webdatacommons.org/324091979

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	Obstructions such as sign posts, utility poles, tree branches, etc., will prevent valid speed measurement.
http://www.w3.org/ns/prov#wasQuotedFrom	ps2netdrivers.net