A COMPARATIVE INVESTIGATION ON THE CONSPICUITY OF THREE RAILWAY SHUNTING LANTERNS

EEN VERGELIJKEND ONDERZOEK NAAR DE OPVALLENDHEID VAN DRIE NS RANGEERLANTAARNS

Three types of shunting-lanterns are mutually compared as to intensity, beam divergence and flash character, with conspicuity as criterion. The models with so called "sandershead" and "whelenhead" turned out to be better than that with "fresnelhead", but it was difficult to decide between the first two. In fact it was found that both models fell short in light intensity in comparison with present day standards. Suggestions are made to explore further possibilities for improvements.(a)

• Corporate Authors:

  Instituut voor Zintuigfysiologie, TNO

  Kampweg 5
  Soesterberg,   Netherlands 
• Authors:
  • Vos, J J
  • Van, J J
• Publication Date: 1977

Language

• Dutch

Media Info

• Features: Figures; Tables;
• Pagination: 6 p.

Subject/Index Terms

• TRT Terms: Flashing traffic signals; Lanterns; Luminance; Navigation lights; Particle beams; Perception; Railroad grade crossings; Railroad trains; Visibility; Warning devices; Warning systems
• Old TRIS Terms: Light intensity distribution; Light signals
• ITRD Terms: 6737: Beam (ray); 514: Flashing light; 516: Lantern; 452: Level crossing; 525: Luminance; 2229: Perception; 1268: Train; 9113: Warning
• Subject Areas: Railroads; Safety and Human Factors; Vehicles and Equipment; I83: Accidents and the Human Factor;

Filing Info

• Accession Number: 00341722
• Record Type: Publication
• Source Agency: Institute for Road Safety Research, SWOV
• Report/Paper Numbers: No. 1977-C15 Monograph
• Files: ITRD, TRIS
• Created Date: Oct 28 1981 12:00AM