7/4/2014

Left or right

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. As of 2012, the right turn rule combined with other improvements — for the wow factor, UPS doesn’t separate them out — saved around 10 million gallons of gas and reduced emissions by the equivalent of taking 5,300 cars of the road for a year.

It’s the equivalent of turning right in Australia or India and how problematics it can be.

Why UPS Trucks Don’t Turn Left (via Fred Wilson)


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