About Special lights: tram/bus, level crossing, bridge and lane: which statement is correct?

A red cross above a lane means you may still use that lane when it is busy and the other lanes are jammed.

At a level crossing, a white flashing light means there is danger and you must stop.

The pre-warning for a red cross is a WHITE arrow, not a yellow one.

Tram/bus lights apply only to trams and scheduled buses; other vehicles may ignore them.

Explanation

trap: colour borrowed from a different system. The pre-warning for a red cross is a WHITE arrow, not a yellow one. Colour codes differ per sign system

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