Why Traffic Happens (The Atlantic)

TrafficIt’s a familiar scene for anyone who drives: Construction or an accident requires multilane traffic to merge into a single lane. Most thoughtful drivers move over well ahead of the merge point, but there are always a few jerks who stay where they are until the very end, causing the whole system to slow down to a stop. Actually, they’re right and we’re wrong. It’s called a “zipper merge,” and it’s one of the solutions to traffic detailed by author Tom Vanderbilt in his new book.

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