About: http://webisa.webdatacommons.org/57201260

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	A recent research interest in this area is to find a correlation between retroreflectivity and crashes, as a significant statistical relationship is undefined to date.
http://www.w3.org/ns/prov#wasQuotedFrom	iowa.gov