Red circle with a slash means not allowed
A free practice question for the Massachusetts permit test, with the answer explained.
Independent practice site. We're not the RMV and aren't connected to any government agency.
What does the red circle and slash on this sign mean?
The rule
A sign with a red circle and a diagonal slash means the action pictured, such as a left turn or a U-turn, is not allowed.
A red circle with a red line through a picture means you may not do what is shown. This sign means no left turn.
From the Massachusetts Driver's Manual, page 86. This question is our own wording of that rule. The handbook and the RMV have the final word.
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