How must you act in a situation if you have stopped before a railway crossing at the prohibiting traffic-light signal, when the train has already passed but the light and sound signals have not yet turned off?

• 1Continue travelling across the crossing in any case.
• 2Continue travelling across the crossing only after making sure there is no approaching train.
• 3Wait for the prohibiting traffic-light signal and the audible signal to switch off, and also make sure there is no approaching train, after which continue travelling.