ELECTRONIC TOKEN CONTROL

CREW-OPERATED LOW-COST SIGNALLING SYSTEM FOR LOW DENSITY OPERATIONS TRACK CLEARANCE THROUGH RADIO COMMUNICATIONS TO SAFETY CONTROLLERS AT TRAIN STATIONS

Language

  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00415462
  • Record Type: Publication
  • Source Agency: Northwestern University, Evanston
  • Files: TLIB
  • Created Date: Aug 31 1986 12:00AM