Translations:How to operate relay line block equipment/60/en

SBL-Signal 3037 between Dąbrowa Górnicza and Będzin. It displays S5 aspect (Expect stop) and is equipped with a W18 board.

Automatic block signals that are set up against the current direction of the line are switched to dark. Exceptions are the automatic block signals equipped with signal W18, which will indicate a signal aspect even against the set running direction. Signal W18 means that the next main signal is operated by an interlocking. Signal W18 is a black circle on a white background with a black dot in the middle.