How is the flashing yellow turn arrow better than a left turn signal?

• They're safer--The study demonstrated that drivers made fewer mistakes with the new signals than with traditional left turn arrow signals.
• They're more efficient--The new signals provide traffic engineers with more options to handle variable traffic volumes.
• They're more consistent--You'll see the same signals in every state because the new signals are being introduced throughout the United States.

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1. When did South Carolina begin using the flashing yellow turn arrow?
2. Why did the SC-DOT change and begin using the flashing yellow turn arrow?
3. How is the flashing yellow turn arrow better than a left turn signal?
4. Are pedestrian signals a guarantee of safety?
5. Will more stop signs slow traffic on our street?
6. How safe are pedestrian crosswalks?