A private collection of over 75 vehicle and pedestrian traffic signals.
A site devoted to the unusual hobby of legally collecting old, retired traffic signals and road signs.
Online collection of George Francis
A listing of the most commonly used traffic signs in the United States.
Photos of common installations state by state
A collector in California
The famous upside down traffic light, which is a tribute to the strong Irish heritage in the Syracuse area.
Traffic Signals & Control Circuits
Traffic Lights, Traffic Light Parts & Accessories, Traffic Light Controller Units