Pedestrians crossing ahead warning flashing traffic lights on a blue sky background.
NEW
Car emergency light flashing signal, warning sign.
Warning sign on railway for no crossing the tracksA sign to warn people do not cross, no crossing the train tracks, with a train moving behind it. A sign warning for danger, with GO train moving in the background.
Long shot of traffic passing a flashing sign warning construction is ahead.
"Live" warning board message is flashing.
Red flashing lights warning that the a train is coming
Flashing radioactive warning symbol - seamless looping.