Light signals controlling traffic
Traffic Light Signals
![Traffic Light Signal - Red](Images/traffic-light-red.jpg)
![Traffic Light Signal - Red and amber](Images/traffic-light-red-amber.jpg)
![Traffic Light Signal - Green](Images/traffic-light-green.jpg)
![Traffic Light Signal - Amber](Images/traffic-light-amber.jpg)
![Traffic Light Signal - Green arrow](Images/traffic-light-green-arrow.jpg)
Flashing red lights
![Wig-Wag Light Signal - Flashing red lights](Images/flashing-red-lights.jpg)
Alternately flashing red lights mean YOU MUST STOP
At level crossings, lifting bridges, airfields, fire stations, etc.
Motorway signals
These signals are also used on other high-speed roads.
![Motorway Light Signal - Lane closed](Images/motorway-signal-red-cross.jpg)
![Motorway Light Signal - Change lane](Images/motorway-signal-change-lane.jpg)
![Motorway Light Signal - Leave motorway at next exit](Images/motorway-signal-leave-motorway.jpg)
![Motorway Light Signal - Temporary maximum speed advised and information message](Images/motorway-signal-temporary-speed-limit-message.jpg)
![Motorway Light Signal - You MUST NOT enter or proceed in the left lane, temporary mandatory maximum speed limit and information message](Images/Obstruction_FINAL_.jpg)
![Motorway Light Signal - Reduced visibility ahead](Images/motorway-signal-fog.jpg)
![Motorway Light Signal - Lane ahead closed](Images/motorway-signal-lane-ahead-closed.jpg)
![Motorway Light Signal - Temporary maximum speed advised](Images/motorway-signal-temporary-speed.jpg)
![Motorway Light Signal - End of restriction](Images/motorway-signal-end-restriction.jpg)
Lane control signals
![Lane Control Signals](Images/lane-control-signals.jpg)
Green arrow - lane available to traffic facing the sign
Red crosses - lane closed to traffic facing the sign
White diagonal arrow - change lanes in direction shown