About: http://webisa.webdatacommons.org/147723579

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 VSL technology is used to determine appropriate speeds for work zones and changes the speed limits when conditions change, such as traffic flow, traffic speed, weather, and the nature of the roadwork.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov