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Official United States HOV Lane Hours Sign Road Sign

Federal MUTCD Specifications

Standard Code
R3-10a
Sign Category
Regulatory
Shape
Vertical Rectangle
Color Scheme
White with Diamond Symbol & Operating Hours

Regulatory Road Sign (R3-10a)

HOV Lane Hours Sign Sign Meaning & Driving Rules

Specifies the exact days and hours during which HOV occupancy restrictions are legally in effect.

Required Driver Action & Right-of-Way Protocol

Check the posted time and day. Use the lane freely outside restricted hours.

Detailed Overview & Purpose

The HOV Lane Hours sign (R3-10a) details the specific operational windows for carpool enforcement (e.g. MON-FRI 6AM-9AM, 4PM-7PM). Outside these posted hours, the lane is open to all general traffic.

Key Standard & Origin: During off-peak hours and weekends, anyone can legally drive in most HOV lanes.

Where You'll Find This Sign

Posted at regular intervals along freeway carpool lanes.

Common Driver Mistakes to Avoid

Avoiding the lane on weekends because you didn't read the posted hours of operation.

How This Sign Appears on the DMV Knowledge & Road Test

Tests reading comprehension of conditional regulatory signs.

Legal Penalties and Moving Violations

Violations during posted hours result in expensive carpool lane citations.

DMV Knowledge Check

When you encounter the official HOV Lane Hours Sign (R3-10a) on a roadway, what is your legal duty?

Prepare for Your State Permit Exam

Take full 2026 practice tests covering mandatory road signs, traffic laws, and state-specific driving rules.

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