Regulatory Road Sign (R3-2)
No Left Turn Sign Meaning & Driving Rules
The No Left Turn sign (MUTCD R3-2) prohibits drivers from making a left turn across opposing lanes at the intersection or driveway entrance where posted.
Required Driver Action & Right-of-Way Protocol
Do not turn left. Proceed straight through the intersection and navigate around the block using three consecutive right turns.
Detailed Overview & Purpose
Left turns are among the most dangerous maneuvers in driving because they require crossing opposing traffic lanes. The No Left Turn sign is installed at complex intersections where left turns would severely back up through-traffic, cause severe gridlock, or enter one-way opposing thoroughfares.
Key Standard & Origin: Over 60% of all intersection vehicle crashes in the United States involve a left-turning vehicle.
Where You'll Find This Sign
Posted on overhead intersection mast arms and median dividers on busy urban arterials and highway off-ramps.
Common Driver Mistakes to Avoid
Attempting a left turn during heavy traffic when the sign prohibits it, risking a severe broadside T-bone collision.
How This Sign Appears on the DMV Knowledge & Road Test
Common sign identification and route planning question on state permit exams.
Legal Penalties and Moving Violations
Moving violation citation ($150–$300) and 1 to 2 license penalty points.
When you encounter the official No Left Turn (R3-2) on a roadway, what is your legal duty?
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