Warning signs warn drivers of approaching a dangerous section of road. When driving on this stage, the driver must act in accordance with the circumstances. Railroad crossing sign warns about train coming and, that drivers has to be careful. Railroad Crossing Sign Jigsaw Puzzle is gleeful. Play and solve Railroad Crossing Sign Puzzle with 12, 24, 35, 40, 54, 60, 70, 96, 104 or 260 pieces. This online jigsaw puzzle, is the perfect way to relax. Or create your own photo puzzles.