definition
strict definition
tram traffic signal
Signals displaying or broadcasting changing commands to trams, streetcars, and other light rail traffic.
Tram traffic signals are lights, mechanical flags, audio speakers, or other forms of signage which display or broadcast dynamically changing commands to light rail traffic, including trams and streetcars.
The intended recipient is a light rail vehicle. The signal can be audible or mechanical as well as a light display.
A vehicle traffic signal directs road vehicles. Separate indications can address tram and road movements at the same intersection.
Related definitions
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aircraft traffic signal
Lights or other signals directing aircraft on the ground, usually near taxiways, distinct from approach landing lights. -
foot traffic signal
Signals displaying or broadcasting changing commands to pedestrians, commonly at road intersections. -
rail traffic signal
Automated or remotely controlled signals displaying or broadcasting changing commands to trains and other rail traffic. -
ship traffic signal
Signals displaying or broadcasting changing commands to ships, boats, and other waterborne traffic. -
vehicle traffic signal
Signals displaying or broadcasting changing commands to road vehicles, commonly through colored lights.