Technical Reports

Innovative Concepts and Technology for Railroad-Highway Grade Crossing Motorist Warning Systems Vol. II: The Generation and Analysis of Alternative Concepts

  • 01
  • Sep
  • 1977
AUTHOR: Federal Railroad Administration
OFFICE: RPD
SUBOFFICE: RPD-30
REPORT NUMBER: DOT/FRA/ORD-77/37.II
KEYWORDS: Railroad-Highway Grade Crossings; Grade Crossing Warning Systems; Grade Crossing Signal Systems
ABSTRACT: This report describes the results of a study directed toward the generation, analysis and evaluation of innovative conceptual and technical approaches to train-activated motorist warning systems for use at railroad-highway grade crossings. Particular attention is given to the use of the track as a transmission line in a guided reflection (radar-like) technique operating at audio frequencies. Attention is also given to improve special road surfaces in advance of the crossing, and to optically programmed traffic lights. Volume I consists of 210 pages.

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