Left Turn Only Road Sign Meaning
Official Meaning
You must turn left from this lane. Straight through movement is prohibited.
The Left Turn Only sign is a critical part of the US traffic control system, classified under the Regulatory category.
Shape
Rectangle
Color
White
Required Driver Action
When you encounter the Left Turn Only sign, you must immediately adjust your driving behavior according to the regulatory regulations. Failure to comply with this sign can result in traffic citations, points on your license, or dangerous road conditions.
Why the Left Turn Only Sign Matters
Understanding the Left Turn Only sign is essential for passing your DMV written test and for safe daily driving. This sign is standardized across the United States to ensure that drivers from any state can recognize and respond to it instantly.
Its specific rectangle shape and white color are designed to be recognizable even in poor visibility conditions, such as heavy rain, fog, or at night. This visual consistency is a key safety feature of the Manual on Uniform Traffic Control Devices (MUTCD).
Common DMV Test Questions
QWhat should you do when you see a Left Turn Only sign?
You must follow the specific instruction: you must turn left from this lane. straight through movement is prohibited.
QWhat category does the Left Turn Only sign belong to?
It is classified as a Regulatory sign.
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