Why UPS trucks never turn left


UPS engineers found that left-hand turns were a major drag on efficiency.

UPS announced a new policy for its drivers in 2004: the right way to get to any destination was to avoid left-hand turns. Even if that means following this route that a UPS driver described to an incredulous press member:

“We’re gonna make a right turn onto 135th to Western. We’ll make another right on Western down to 139th. Right turn on 139th and go down to the end of the block and we’ll make another right turn.”



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