one by one

The streets of San Christobal are quite narrow and traffic typically flows in one direction. This doesn’t eliminate the problem of jams at intersections, but the traffic lights have been removed due to increased congestion. Instead, the rule of one has been implemented. This rule means that cars at the two inbound roads at any intersection take turns. One from the north, one from the west, then one from the north again. It worked so well that they’ve been able to convert some streets to pedestrian-only malls.

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