YELLOW / AMBER SIGNAL indicates that the red signal is about to appear. Prepare to stop.

FLASHING YELLOW BEACON

When a flashing yellow signal is incorporated with an overhead beacon or a beacon located directly above a warning sign, it warns you to proceed with caution.

YELLOW ARROW

In some traffic signal, a yellow arrow appear after a green arrow. When the yellow arrow appears, it means the red or solid green signal is about to appear. Therefore, stop the vehicle safely. If it cannot be done, proceed with caution.