A new traffic light signal is coming to South Carolina intersections — the blinking yellow left-turn arrow.

What does it mean?

That it’s OK to turn left after yielding to oncoming traffic and pedestrians, said Carol Jones, state Department of Transportation traffic signal and systems engineer.

The new sequence of lights governing a left turn will be green, blinking yellow, yellow and red. Yellow means to stop if it is safe to do so because the left-turn signal is about to turn red, officials said.

The new left-turn signal lights are in a vertical row separate from the lights governing other traffic. Under an old design, left-turn lights and through-traffic signals are clustered together in an arrangement called a “doghouse,” which has more potential for driver confusion, officials said.

The first left-turn signal to include the flashing yellow arrow will be installed Wednesday in Richland County.

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