What are the three main types of road signs and their functions?

• A. Regulatory signs (rules and laws), warning signs (hazards), and guidance signs (directions and information).
• B. Advisory signs (warnings only), public signs (information), and exit signs (directions).
• C. Informational signs (attractions), construction signs (delays), and pedestrian signs (safety).
• D. Speed signs (limits), stop signs (compliance), yield signs (priority).

Answer: (A)

The main idea here is how road signs are categorized by their function on the road. Signs fall into three broad roles: regulatory, warning, and guidance.

Regulatory signs convey legal requirements you must follow. They tell you what you may or may not do, such as speed limits, stop, yield, or no-entry. Following these rules keeps traffic moving safely and predictably.

Warning signs alert you to hazards or changes in road conditions ahead. They signal you to prepare for something ahead—like a sharp turn, a wet surface, or an intersection—so you can adjust your speed and be ready to react.

Guidance signs provide directions and information to help you navigate. They show routes, distances, destinations, and services, helping you choose the right path and anticipate what comes next.

This combination covers the essential purposes you’ll encounter, which is why it’s the best answer. Other groupings either miss or mix these core functions.