Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...
Self-driving cars could lead to a fourth, white traffic signal — or no signals at all: researchers
The advent of self-driving cars could lead to a number of changes to traffic laws down the road, including a possible fourth traffic signal, researchers say. On top of the ubiquitous red, yellow and ...
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