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Side Road (Left): What It Means & What To Do

Side Road (Left) (W2-3) - diamond yellow with black warning sign: A side road enters from the left ahead
MUTCD CodeW2-3
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the Side Road (Left) Mean?

A side road enters from the left ahead. Watch for turning traffic.

About This Sign

This sign warns that a road joins from the left. Be alert for vehicles entering or crossing from that direction.

Where you will see it

This sign appears on a main road where a smaller road joins from the left. Traffic may enter your road, or cross it, from the left side.

What to do

  • Look to the left for vehicles entering or crossing.
  • Cover the brake if a car waits at the side road.
  • Stay alert for turning traffic near the junction.

A common mistake

Drivers sometimes focus on oncoming traffic and forget the junction. A vehicle on the left side road may pull across your path, so keep scanning until you are past it.

What to remember for the test

This is the mirror image of the right-side road sign. The small line joins from the left, so your attention goes to the left side of the road.

Other Warning Signs

Frequently Asked Questions

What does the Side Road (Left) mean?

A side road enters from the left ahead. Watch for turning traffic.

What shape and color is the Side Road (Left)?

The Side Road (Left) uses the Diamond shape and Yellow with black coloring.

Practice Road Sign Questions

Test your knowledge of road signs with free DMV practice tests.