When approaching a railway level crossing displaying this sign, you must: When approaching a railway level crossing displaying this sign, you must:

• A. Continue across at normal speed, do not slow down.
• B. Slow down, look both ways for trains and be prepared to stop if necessary.
• C. Increase your speed to avoid any approaching trains
•  

  The correct answer is B

   

  Correct. Always be ready to stop in these situations, just in case you haven't seen the train coming.