About: http://webisa.webdatacommons.org/374823722

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	First looked at in 1923 by the Bureau of Public Roads, it was followed by the Stilesville project in 1938, Vandalia in 1947, and then many experimental miles in Maryland, Pennsylvania, and other states in the early 1950s.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov