What is no entry sing?

The no entry sign is a traffic sign that prohibits vehicles or pedestrians from entering a particular area, road, or lane. This sign is usually red and white, circular in shape, and has a red diagonal line which indicates that entry is not allowed. The no entry sign is commonly found at the entrances of one-way roads, private properties, construction sites, and other restricted areas. It is important to obey the no entry sign to avoid accidents or breaking the law. The no entry sign is a universal traffic sign recognized in almost every country in the world.