THE 10 common road signs that even the most experienced drivers often forget, according to driving instructors and traffic ...

The empty red circle sign prevents vehicles from entering, and pedal cycles cannot be ridden but can be pushed What does an empty red road sign mean? Circular road signs give orders.

The new stop lights in the left-turn lanes where Interstate 480 spills onto Granger Road look strange. The traditional red circle? Gone. In its place glows a red left-turn arrow.

The empty red circle sign prevents vehicles from entering, and pedal cycles cannot be ridden but can be pushed What does an empty red road sign mean? Circular road signs give orders.