What type of signs regulate traffic speed and direction?

Answer: B — Rectangular signs

Regulatory signs are typically rectangular in shape and are designed to control traffic speed and direction, making them a vital part of traffic management. These signs communicate rules that must be followed, such as speed limits, lane usage, and specific directional instructions (like one-way streets). The consistent rectangular shape helps drivers quickly identify these signs and understand that they convey important regulations that must not be ignored for the safety and order of roadways. Other types of signs, such as yield signs and stop signs, have specific functions tied to yielding the right of way or coming to a complete stop but are not characterized by the broader regulatory category of rectangular signs. Warning signs, on the other hand, are typically diamond-shaped and alert drivers to potential hazards but do not regulate traffic like the rectangular signs do. Understanding the importance of recognizing rectangular signs helps drivers obey traffic laws, enhancing safety on the road.