Traffic Signals Overview

Traffic Signals Summary

• A steady green traffic light indicates the ability to proceed through the intersection.
• A green arrow signifies it is safe to make a turn in the direction indicated by the arrow.
• A steady yellow light warns that the signal will soon change to red; stop if it's safe, but continue through if already in the intersection.
• A flashing yellow light instructs drivers to slow down and proceed with caution.
• A yellow arrow signals the protection of a green arrow is ending; prepare to stop and yield to oncoming traffic when turning in that direction.
• A flashing yellow arrow allows left turns but requires yielding to oncoming traffic, including pedestrians and bicyclists.
• A steady red traffic light mandates a complete stop.
• A flashing red light functions as a stop sign; come to a full stop and proceed when safe.
• A red arrow commands a stop and prohibits movement in the direction of the arrow.