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Official United States Street Name Sign Road Sign

Federal MUTCD Specifications

Standard Code
D3
Sign Category
Guide & Services
Shape
Horizontal Rectangle Blade
Color Scheme
Green Background with White Text (or White on Blue/Brown)

Guide & Services Road Sign (D3)

Street Name Sign Sign Meaning & Driving Rules

Identifies the name of the intersecting public street or road.

Required Driver Action & Right-of-Way Protocol

Scan for street name signs in advance of your desired turn.

Detailed Overview & Purpose

Street Name signs (D3) are mounted at all public intersections to identify cross streets.

Key Standard & Origin: Federal regulations require minimum 6-inch capital letter heights on street name signs for night readability.

Where You'll Find This Sign

Corner posts and traffic signal mast arms at all street intersections.

Common Driver Mistakes to Avoid

Slowing to an abrupt crawl in the middle of a traffic lane to read a street sign.

How This Sign Appears on the DMV Knowledge & Road Test

Standard intersection identification.

Legal Penalties and Moving Violations

None.

DMV Knowledge Check

When you encounter the official Street Name Sign (D3) on a roadway, what is your legal duty?

Prepare for Your State Permit Exam

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