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I have a first-hand experience: my town created a lot of "binaries", that is, converted pairs of streets into one-way avenues, in order to speed traffic. But now one needs to drive 4x longer to reach the same destination. Even if average speed increased 2x (and it did not), everybody stays on road 2x longer.

Making lots of one-way streets is certainly an overused hammer, but it shouldn't double the distance traveled, it should add at most three blocks, and usually far less.

Sure, the changes went beyond one-way streets, that was one of the tools; but the final result was, you used to be able to go A to E almost straight, now you need to go A,B,C,D,E.

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