A 3-minute lesson from the Hawaii course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.
Warning signs tell you what's ahead so you can slow down or prepare before you reach it. Guide signs help you find your way. Knowing all three device categories helps you sort any sign instantly.
Three categories of traffic control devices
Three categories of traffic control devices
Category
What it does
Regulatory
Stop, direction or speed; failing to comply is penalized
Warning
Advises of hazardous or possible hazardous conditions
On a mountain road you pass a yellow diamond showing a truck on a slope: a Hill sign. Nothing orders you to do anything, but the warning tells you to check your speed and be ready for slower vehicles before the grade.
Check your understanding
Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.
Traffic control devices fall into three categories: regulatory, warning, and:
emergency devices
construction devices
guide and information devices
parking devices
Answer: guide and information devices
The three categories are regulatory, warning, and guide/information devices.
