About: http://webisa.webdatacommons.org/229801504

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 Condensed Code of Operating Rules covers topics such as signals (whistle, hand, fixed signals and markers), superiority of trains, train orders, and ABS and CTC signaling.
http://www.w3.org/ns/prov#wasQuotedFrom	lulu.com