What is the purpose of a do not enter sign?

The purpose of a do not enter sign is to prohibit entry into a specific area. This sign is typically placed at entrances to one-way streets or locations where vehicles should not go, ensuring that drivers are aware that they cannot proceed in that direction. By clearly signaling that entry is not permitted, it helps to reduce the risk of accidents and maintain the flow of traffic in an organized manner. This is particularly important in areas that may be under construction or in specific zones intended for pedestrian traffic, ensuring safety for all road users.