What type of sign is identified by a rectangle with a white background?

A rectangle with a white background is characteristic of regulatory signs, which convey important rules that must be followed by drivers. These signs are designed to be easily recognizable and communicate specific regulations regarding traffic laws, such as speed limits, stop signs, and yield signs. The use of a white background helps them stand out clearly against the road and surrounding environment, allowing for quick comprehension by drivers. Regulatory signs are vital for maintaining order on the roads and ensuring that all users are informed of their responsibilities.

Other types of signs, such as warning signs, have different shapes and colors intended to alert drivers to potential hazards ahead. Informational signs provide guidance and information about services and points of interest, while motorist services signs direct drivers to facilities available for their convenience. These categories have distinct characteristics that help drivers quickly identify the kind of information being conveyed.