Regulatory Road Sign (R3-9b)
Center Lane Left Turn Only Sign Meaning & Driving Rules
Word-message regulatory sign enforcing that the middle lane is reserved strictly for left turns.
Required Driver Action & Right-of-Way Protocol
Use this lane only to execute left turns into driveways or side streets.
Detailed Overview & Purpose
The Center Lane Left Turn Only sign (R3-9b) provides explicit text reinforcement that the center lane cannot be used for through travel or passing.
Key Standard & Origin: Reinforces pavement markings that may be covered by snow, mud, or heavy rain.
Where You'll Find This Sign
Posted periodically along multi-lane corridors with shared center turn lanes.
Common Driver Mistakes to Avoid
Traveling through intersections inside the center turn lane.
How This Sign Appears on the DMV Knowledge & Road Test
Tests center turn lane rules and distance limitations.
Legal Penalties and Moving Violations
Improper use of a center turn lane carries traffic fines and points.
When you encounter the official Center Lane Left Turn Only (R3-9b) on a roadway, what is your legal duty?
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