Question This white sign means: Answers The railroad crossing is controlled. Continue at your regular speed. Look, listen, and prepare to stop at the crossing if necessary. Stop at the railroad tracks and wait for a signal before crossing. Explanation When approaching a railroad crossing, you must look, listen, slow down, and prepare to stop. Let any trains pass before you proceed. Take a FREE Practice Test Now This questions appears in the following tests: California Practice Test Ohio Practice Test Alabama Practice Test Kansas Practice Test South Dakota Practice Test Virginia Practice Test