What does this sign mean?

- A The driver must stop when red lights show.
- B Emerging vehicles have priority. The driver must stop if necessary.
- C Stop and wait for green light before proceeding.
- D The driver must stop when vehicles ahead show brake lights.
Show answer & explanation
Correct answer: The driver must stop when red lights show..
This sign gives advance warning that you must stop when red lights show. This sign may be displayed at a railway level crossing.
This sign gives advance warning that you must stop when red lights show. This sign may be displayed at a railway level crossing.