A warning sign.
policemen Also, stop signs and traffic circles (or "roundabouts") - altho they don't stop traffic, they perform the same function. From @MunicipalSigns: A pedestrian crossing sign (especially in California). A School Crossing zone. A railway crossing zone (Circular yellow sign with "RR" and "X")
Traffic sign Road sign Warning sign Information Visual symbol
no
A warning sign
Yield, Stop sign, Deer crossing, 25mph when flashing school zone, and the infamous no turn on red.
no
Warning sign.
A lollipop lady is a crossing guard who helps children safely cross the road at designated points, whereas a pelican crossing is a type of pedestrian crossing controlled by traffic lights. Lollipop ladies use a stop sign on a stick to halt traffic, while pelican crossings have signal-controlled lights for pedestrian and vehicle traffic.
regulatory
warning
You have to wait for all the traffic to go .
That traffic sign is called a "crossbuck".