Montana Department of Transportation

Flashing Yellow Arrow text

Get to Know the Flashing Yellow

The Montana Department of Transportation is installing flashing yellow left-turn arrows at intersections throughout the state. The signal directs motorists to turn left when there's a safe gap in traffic.

WHY? Flashing yellow arrow signals keep traffic flowing smoothly through intersections and lead to fewer crashes.

overhead traffic light

Get the Facts

More information about Flashing Yellow Arrow Signals is provided in our Fact Sheet.

A Better Left-turn Signal

The Montana Department of Transportation and the Federal Highway Administration have adopted the flashing yellow arrow as a national standard.

Do you know what to do when you see a flashing yellow arrow signal?

This video explains the three steps for driving through an intersection with a flashing yellow arrow signal.

  1. Slow down and enter the intersection with caution.
  2. Yield to oncoming traffic and pedestrians.
  3. Turn left when it’s safe.