Keywords: NS lichtseinstelsel 1946 geel wit wit 180.gif en Three-head searchlight-style railway signal of the 1946 railway signalling system of the Dutch railways Flashing yellow-white-white 180 flashes per minute high speed approaching possibly occupied track nl Driehoogtesein van het lichtseinstelsel 1946 van de Nederlandse Spoorwegen Wit-wit-geel knipperlicht knippert 180 maal per minuut lage snelheid binnenkomst op mogelijk bezet spoor 2014-03-16 23 55 15 own Pbech cc-zero Uploaded with UploadWizard Diagrams of railway signals in the Netherlands |