Caution Children Crossing Road Sign - Post Mount Diagram 545 R2/RA2 (Face Only)This sign warns drivers if there is a likelihood for children to be on the road. Most people will be familiar with seeing this crossing sign near schools, playgrounds, parks and other venues where children are known to be present. The sign is also known by its diagram number 545. There are several supplementary plates that should be used in conjunction with this sign, these supplementary plates include wording such as "School" and "Patrol". We have