IMPROVEMENT OF RAILROAD CROSSING SIGNALS

This paper describes the installation of railroad crossing obstacle detecting units to improve existing train-sensing crossing signals. The units utilizes infrared rays to recognize a ray-interrupting object as an obstacle.

Language

  • English

Media Info

  • Pagination: p. 139-141

Subject/Index Terms

Filing Info

  • Accession Number: 00801206
  • Record Type: Publication
  • Source Agency: UC Berkeley Transportation Library
  • Files: PATH
  • Created Date: Nov 7 2000 12:00AM