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A traffic signal with only two lights typically consists of a red light and a green light, used to control vehicle and pedestrian movement at intersections. The red light indicates that vehicles must stop, while the green light signals that they may proceed. This simplified system is often found in less complex traffic situations, such as one-way streets or at certain pedestrian crossings. The absence of a yellow light means there is no indication for caution before the red signal.

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1mo ago

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