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In a nutshell: Nobody likes a freeway that’s so congested it resembles a parking lot. The usual solution is to widen the road, but that comes with huge costs and lengthy disruptions. In California, transportation officials are piloting a much cheaper option: a “smart freeway” that uses an algorithm to control the flow of cars and offer suggested speeds.
The Riverside County Transportation Commission launched the smart freeway on an eight-mile stretch of the northbound lanes of Interstate 15 in Temecula on June 1…