Automatic track warning system on a tripod in Salzburg.Multiple ATWS near the main train station of Halle (Saale)
"ATWS" redirects here. For reactor safety related acronym ATWS, see Anticipated Transient Without Scram.
Automatic track warning system (ATWS, German: Rottenwarnanlage) is a technical device used during in track construction for occupational safety.[1] It warns the construction site workers of an approaching train. In Germany, it usually consists of a series of signal lights and acoustic warning devices, which are mounted on steel poles or tripods at the edge of the track bed every 30 meters.[2] There are wired and wireless systems that are automatically activated when a train approaches, for example by a wheel contact in the track bed. As long as the ATWS is generating warning signals, the construction site personnel must stay away from the track in question and allow the train to pass. ATWS is considered safer than the non-automated solution, where one worker constantly watches for approaching trains and alerts his colleagues.[3]
^Seminatore, Antonio Andrea; Ghelardoni, Luca; Ceccarelli, Andrea; Falai, Lorenzo; Schultheis, Michael; Malinowsky, Boris (2012). "ALARP (A Railway Automatic Track Warning System Based on Distributed Personal Mobile Terminals)". Procedia - Social and Behavioral Sciences. 48: 2081–2090. doi:10.1016/j.sbspro.2012.06.1181.
^Tageblatt, Göttinger Tageblatt / Eichsfelder (8 September 2018). "Schrille Warnsignale der Bahn nerven Anwohner in Göttingen gewaltig Rottewarnanlagen sollen Bauarbeiter sichern". www.goettinger-tageblatt.de (in German). Retrieved 3 March 2024.
^N, Noorudheen; M, McClanachan; Y, Toft (2012). "Track worker safety: investigating the contributing factors and technology solutions". CORE 2012, Rail - the core of integrated transport, conference on railway engineering.
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