PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Once integrated, the PTC System will perform a secondary check of the signal status and will stop the train if the engineer fails to heed a signal.Communication Network ComponentThe Communication Network Component is a dependable, redundant wired and wireless communication network to connect components such as the locomotive and cab car, back office server and base stations, and wayside interface
http://www.w3.org/ns/prov#wasQuotedFrom
  • metrolinktrains.com