Stop Sign
Octagonal red traffic sign requiring vehicles to come to a complete stop.
International · 1915 – present
Warning sign indicating a pedestrian crossing ahead.
The pedestrian crossing warning sign alerts drivers to an area where pedestrians may be crossing the road. The sign typically depicts a stylized human figure walking. The ISO 7001 standard for public information symbols includes a pedestrian figure used internationally in wayfinding and transportation contexts. Different countries use variations of the symbol, but the basic concept of a walking figure is universally recognized.
Pedestrian crossing signs were introduced in the early 20th century as automobile traffic increased. ISO 7001 standardized public information symbols including pedestrian figures.