<Li> <P> U.S. two - way traffic sign </P> </Li> <P> U.S. two - way traffic sign </P> <P> These signs are used to warn of level crossings ahead . In most countries, a red triangle warning sign is used, with various pictograms for unguarded crossings, crossings with manual gates, and automatic level crossings . In most of Europe, an old - style gate is used for a crossing with gates, and a steam locomotive for a crossing without gates . Germany uses an electric train . Similar pictograms are also used in Ireland, albeit on an amber diamond sign . In the United States the warning of all types of railway crossings is made using a circular yellow sign . The actual crossing is also marked with crossed "railroad crossing" crossbuck signs (stop, look, listen) and possibly lights, bells, and barriers . </P> <Ul> <Li> Crossing with gate </Li> <Li> <P> Brazil controlled railroad crossing sign </P> </Li> <Li> <P> UK level crossing with gate or barrier sign </P> </Li> <Li> <P> Ireland level crossing with gates sign </P> </Li> <Li> <P> Italy rail crossing with gates sign </P> </Li> <Li> <P> Sweden crossing with gate sign </P> </Li> <Li> <P> German level crossing sign used for guarded and unguarded crossings </P> </Li> <Li> <P> Norway crossing with gate sign </P> </Li> <Li> <P> Russia crossing with gate sign </P> </Li> </Ul>

The sign marked in this triangle in red colour