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CityLab Daily: Why Widening a Road Doesn’t Ease Traffic

Also: Why San Francisco opened a mock safe injection site, and Florence comes after hungry tourists.
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Jamming: As the urbanist aphorism goes: Widening roads to reduce congestion is like loosening your belt to cure obesity. Yet nearly all freeway expansions and new highways are sold to the public as a way to reduce traffic. Anyone who’s stuck on the road has had the thought: If there were only one more lane, everyone would move faster.