About: http://webisa.webdatacommons.org/440189111

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	These observation types are sufficient to determine conditions that are relevant to the operation of traffic signal systems.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov