Pedestrians In Road Ahead Post Mounted Sign - Dia 544.1 R2/RA2 (Face Only)Where pedestrians are frequently in the road, the "Pedestrians In the Road Ahead" sign should be used. The diagram should be used where there is a lack of proper footway and drivers may risk colliding with a pedestrian without proper caution. This sign is part of our catalogue of post mounted warning signs and can be used with the plates 547. 3 "No Footway for X Yards", 572 "X Yards", or a directional arrow to diagram 573. Sizes for this sign usually