why do ups trucks never turn left

UPS drivers will never turn leftвand other drivers should consider doing the same. If you follow a delivery truck along its route, you will see it avoid left turns. This isnвt some superstition involving packages and cross-traffic turns. Itвs actually the result of a complex mathematical problem equation that has saved UPS millions of dollars. Vehicle routing problems were developed in 1959 as a way to organize moving objects. Basically
take into account of variety of factors to determine the best way to get from point A to B. One of these equations is to help drivers find the best possible way to deliver their packages (Google Maps this program is not).

UPSвs vehicle routing software has determined that turning left is a waste of time and money. (Well, not left specifically. The rule applies to countries where cars drive on the righthand side of the road. ) Although reducing cross-traffic turns may increase time spent to get to a destination, it reduces chances of an accident and eliminates time spent waiting for traffic to make a turn (which wastes fuel). The policy was announced back in 2004 and has since helped the company use 10 million gallons less fuel, emit 20,000 less tonnes of carbon dioxide and deliver 350,000 more packages. However some left turns are unavoidable.

The company says that left turns make up less than 10 percent of all UPS truck turns. So what is there to learn from all of this? Although the whole thing may seem far-fetched, Mythbusters put UPSвs rule to the test and found that eliminating left turns does save fuel. The Conversation argues, if everybody agreed to no longer turn left, it could translate into massive savings and reduced carbon emissions from everybody on the road. But (unfortunately) people are generally unwilling to change their ways unless it benefits them personally. Although right turns only would eliminate waits at intersections, it could also tack on extra time to a drive.

But for those who are willing to consider an extra couple of minutes in exchange for fuel savings, eliminating left turns on upcoming road trips could actually be the wisest decision you make behind the wheel. Bob Stoffel, Senior VP of UPS, revealed an unusual way to save time and money Stop making left-hand turns. Engineers map out every route, he says, and provide right-turn only directions to drivers. This seemingly silly strategy has paid off: UPS\’s routing software shaved 20. 4 million miles off their routes last year* while delivering 350,000 more packages. It also diminished CO2 emissions by 20,000 metric tons. Don\’t believe it?

MythBusters tried it out. The show had drivers take the same route, only some made right turns while others turned left. The results were similar. Why does this work? A few reasons, says Stoffel. Turning right decreases safety hazards and delays. If a driver is stuck waiting for traffic to pass with a left blinker on, it\’s going to set them back. Jutting out into traffic is also a good way to get side-swiped, especially when driving a big truck. *The 20. 4 million figure is not just from making right-hand turns. It is the total miles the routing software helped UPS save last year in all capacities. Stoffel explains the logic in the video below.

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