Traffic Signs

What are you required to do when you notice the following traffic sign (in the picture) placed above your driving lane?

Slow down before the level crossing, and if a train is approaching - stop.
Do not enter this lane and do not continue driving in it.· Correct answer
Slow down before the level crossing and pass the tracks without delay or interruption.
Stop before the tracks until the train passes.

Explanation

When a red X appears above a lane, you must not enter this lane and must not continue travelling in it. You must move to another lane. Therefore the correct answer is 'do not enter the lane'.