Minimum Speed Limit
Category
Regulatory
Shape
Vertical Rectangle
Color
Black on white
This sign sets the slowest speed you are allowed to drive on this road. Keep your speed at or above the posted number so you do not block traffic, unless conditions make it unsafe to do so.
Common test question
On the DMV permit test you may be shown this sign and asked “What does this sign mean?” The answer is Minimum Speed Limit. Recognize it by its vertical rectangle shape and black on white colors — a hallmark of regulatory signs.
Practice with the Road Signs Quiz →