UPS trucks don’t turn left

Well, they do sometimes but not very often. Left turns cross traffic, which wastes time and causes accidents. So UPS routes are designed with mostly right turns…three rights make a left, you know.

UPS engineers found that left-hand turns were a major drag on efficiency. Turning against traffic resulted in long waits in left-hand turn lanes that wasted time and fuel, and it also led to a disproportionate number of accidents. By mapping out routes that involved “a series of right-hand loops,” UPS improved profits and safety while touting their catchy, environmentally friendly policy.

I wonder though, does this make the drivers unhappy?

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