 W1 Marks the place of Relay Signal arrangement |
 W4 Marks the train stop place |
W6 W6a W7 You should play a horn |
 W8 You should reduce your speed to X*10 km/h (ex: 30km/h) |
 W9 Marks the begining or the end of track section, which you shoul drive with reduced speed |
 W11a There is a Relay Signal after three of these indicators |
 W16 There is a slow train stop (without Starting signal) after this indicator in braking distance |
 W27 Max speed from this indicator is X*10 km/h (ex: Vmax=110km/h) |