Single Queue or Multiple Lines: Which Is Faster?

By Ali Shahi | August 6, 2026
A long single-file queue of people stretching into the distance along the edge of a city street, beside a line of white bollards

Picture a counter with two service points. Before opening, someone has to settle the layout: one queue feeding both tills, or a separate queue at each. It gets decided once and then lived with for years. It’s easy to assume one of the two is simply faster. It isn’t. With the same two staff working…

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