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Straight Ahead Only: What It Means & What To Do

Straight Ahead Only (R3-5) - rectangle (vertical) white with black/red regulatory sign: This lane must go straight only
MUTCD CodeR3-5
CategoryRegulatory Signs
ShapeRectangle (vertical)
ColorWhite with black/red

What Does the Straight Ahead Only Mean?

This lane must go straight only. No turns are allowed.

About This Sign

This sign indicates the lane is designated for straight-through traffic only. Drivers must continue straight through the intersection.

Other Regulatory Signs

Stop Sign (R1-1) - octagon red with white regulatory sign: Come to a complete stop before the stop line or crosswalk

Stop Sign

R1-1

Yield Sign (R1-2) - triangle (inverted) red and white regulatory sign: Slow down and be prepared to stop

Yield Sign

R1-2

Stop for Pedestrians in Crosswalk (R1-5b) - rectangle (vertical) white with black/red regulatory sign: Stop for pedestrians within the crosswalk

Stop for Pedestrians in Crosswalk

R1-5b

Frequently Asked Questions

What does the Straight Ahead Only mean?

This lane must go straight only. No turns are allowed.

What shape and color is the Straight Ahead Only?

The Straight Ahead Only uses the Rectangle (vertical) shape and White with black/red coloring.

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Straight Ahead Only Meaning 2026 - DMV Test Guide & Free Practice | DMV IQ