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GPS with (edit) RIGHT turn only option

Save fuel, do (edit) RIGHT turns ony
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Search the net for: Why UPS drivers don’t turn left and you probably shouldn’t either.: GPS makers could license the code from UPS. The left turn only choice would be an an on/off option on the GPS.
Sunstone, Oct 31 2020

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       Explain
xenzag, Oct 31 2020
  

       Wait, with left turn only or with no left turn only?   

       What about Michigan Lefts?
RayfordSteele, Oct 31 2020
  

       If you can't turn left you are in trouble once you get onto a motorway.
pocmloc, Oct 31 2020
  

       Sounds fine if you're a Fascist and only ever want to move further and further to the Right ...   

       Hmmm, is there a market for a GPS system which gives instructions in the form of a Füheresque rant ? A forseeable problem is of course that it would direct you not to where you actually want to go, but first into the Sudeteland, then the rest of Czechoslovakia, zen into Poland, UND ZEN ZER PANZER ATTACK OUT OFF ZER ARDENNES, CRUSHING ZER FRENCH ARMY UND DRIVING ZER ENGLISHER SWINE BACK TO DER CHANNEL ... <Coughing/>
8th of 7, Oct 31 2020
  

       What about those parts of your planet (and there are many) where the vehicle is guided down the approximate centre of the road by means of the driver's knee on the steering wheel, the hands being employed in the simultaneous manipulation of a mobile telephone handset and a lit cigarette ... ?
8th of 7, Oct 31 2020
  

       This would be a truly evil thing to do in North America.
I pity them, the drivers who haven't learned the keep left of the target location and only make right turns.
  

       Does this make any sense in jurisdictions which don’t have a “Turn on red” law?
hippo, Oct 31 2020
  

       Well, most places in South America, where they don't even seem to have a 'Stop on Red" law ...
8th of 7, Oct 31 2020
  

       What hippo said. In this town, you'd spend your whole day sitting at ridiculously long red lights with no cars going by. Unless you run them and just WaNtEd to go to the pokey.   

       (Meaning the lights, not the other cars as happened to me a while ago.)
blissmiss, Oct 31 2020
  

       Mythbusters tested the UPS "only turn right" theory, but (IMHO) they did it wrong.
They did it mostly using (as per [kdf]) "3 rights make a left", along with the "free turn on red" law. It may save time, but it adds distance.
Rather, they should plan the entire route of stops to be a clockwise loop, so mostly right turns are needed (which UPS might do...).
neutrinos_shadow, Nov 01 2020
  

       That's just a constrained version of the classic "traveling salesman" algorithm, so there might be a version already published on the Web.
8th of 7, Nov 01 2020
  

       I'm oftentimes expected to learn Britishisms here through the years. They can learn about Michigan lefts.
RayfordSteele, Nov 02 2020
  
      
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