Driver's License Test Prep
Vertical white rectangle with black border and the stacked words DO NOT BLOCK INTERSECTION in black.
MUTCD
R10-7
Category
regulatory
Color
white
Shape
rectangle vertical
National · MUTCD Sign Reference

Do Not Block Intersection

Do not enter the intersection unless you can clear it before the light turns red.

Posted at intersections prone to gridlock. Drivers must wait behind the stop line if there is not enough room to fully clear the intersection on the other side, even when facing a green signal, so cross traffic and pedestrians are not blocked when the light changes.

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
Red circle on a square white background with the words DO NOT ENTER in white above and below a wide white horizontal bar.
Do Not Enter
Horizontal red rectangle with the words WRONG WAY stacked in large white letters.
Wrong Way
Source

Wikimedia Commons: File:MUTCD R10-7.svg (Public domain)

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