What is another word for stop-light?
Pronunciation: [stˈɒplˈa͡ɪt] (IPA) 
Stop-light is a term used to refer to an apparatus that controls vehicular traffic flow. Synonyms for stop-light include traffic signal, traffic light, and stop-and-go signal. A traffic signal is an automated system designed to regulate traffic movement at street junctions or pedestrian crossings. Its colors, such as red, green, and yellow, signal drivers about when to stop, proceed with caution, or move ahead. Similarly, a stop-and-go signal is a traffic control device that alternates between a stop signal and a go-ahead signal. All these synonyms for stop-light essentially refer to the same type of traffic control apparatus, which comes in various shapes and sizes and is utilized in many countries around the globe.
