Driver's License Test Prep
Red circle on a square white background with the words DO NOT ENTER in white above and below a wide white horizontal bar.
MUTCD
R5-1
Category
regulatory
Color
red
Shape
square
National · MUTCD Sign Reference

Do Not Enter

Do not enter the roadway from this direction; you are facing one-way traffic or a restricted entrance.

Marks the wrong end of a one-way street, exit ramp, or other roadway you are not allowed to enter from this direction. If you see this facing you, stop, back out safely, or turn around; entering means driving against oncoming traffic. Commonly paired with a Wrong Way placard further down the ramp.

In the same family

Related signs

Red octagon with white border and the word STOP in large white letters across the center.
Stop
Downward-pointing red triangle with a white interior triangle and the word YIELD in red letters.
Yield
Small red rectangular plaque with white border and the words ALL WAY in white letters.
All Way Plaque
Horizontal red rectangle with the words WRONG WAY stacked in large white letters.
Wrong Way
Tall yellow vertical panel reading STATE LAW at the top, a yield triangle above a walking figure in a white inset, and IN CROSSWALK at the bottom in black letters.
State Law Yield To Pedestrian In Crosswalk (In-Street)
Source

Wikimedia Commons: File:MUTCD R5-1.svg (Public domain)

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