SCDOT Implements Flashing Yellow Arrow Sign

A new "flashing yellow arrow" traffic light is being introduced by the SC Department of Transportation at a Columbia-area intersection this week and could become more widespread across the state over the next year.

Up to 15 of the new signals will installed throughout the state this year, though the SCDOT hasn't yet determined where. The first one in the state will be installed Wednesday in Richland County at the intersection of Farrow Road (SC 555) and Parklane Rd/Carolina Research Park.

These FYA left turn signal heads are designed to improve driver understanding of left-turn traffic signal displays. The goal is to improve efficiency and reduce crashes at signalized intersections, SCDOT said.

The FYA left turn traffic signal head is designed to make it easier for drivers to perceive when to make a left-turn maneuver. The traffic signal head adds a flashing yellow arrow display, which will mean left turns are permitted but drivers must use caution and yield to oncoming traffic and pedestrians by turning when clear.

The new signal would replace the current 5-section "doghouse" cluster signal, and also will be installed in some locations where there isn't currently a left-turn signal.

"It will be a very visible indication in your lane that will give you a cue on what to do," said Carol Jones, SCDOT's Traffic Signal and Systems Engineer. "So many times as you're getting further out in the intersection waiting to turn, you have to look far to the right to see what the signal light is doing. Having this type of signal head in your left turn lane will give you better visibility on what to do and at what point. It's all about visibility, and that translates into improved safety."

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