Home›Browse›automatic block signaling🌐EnglishEnglishBahasa IndonesiaDeutschFrançaisItalianoNederlandsPolskiSvenskaРусскийไทย中文EntityQ1779202· pop 18· linked from 320 articlesautomatic block signalingSign in to saveAlso known as ABSrailroad communications systemWikidata factsInstance ofrailway signalling systemSubclass ofsignalling block systemCountryFranceImageCR Lehigh-Line-signal-1222.jpgShow 1 more factshort nameSBLSources (2)wikidata.orglingualibre.frvia Wikidata · CC0Available in 18 languagesFrançaisDeutsch中文РусскийItalianoAzerbaijaniBahasa IndonesiaBavarianCzechEsperantoFinnishNederlandsNorwegianPolskiSlovakSvenskaไทยvia Wikidata sitelinks · CC0