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  1. Thread AuthorThread Author   #1  
    igorsky's Avatar
    iMore Intermediate

    160 Posts
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    Default Navigon route types

    Does anyone know the difference between "optimum" mode and "fast" mode under route types? I'm assuming optimum has something to do with traffic, but I don't see how it can work without real-time traffic info.

    Also has anyone been able to fine a user guide for this app?

    Thanks in advance.
  2. #2  
    taroliw's Avatar
    iPhone Beginner

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    I can't tell you precisely... but the competing factors for routing are usually time and distance. I read "optimum" as a balance between the two. And in practice I have noticed that where I know certain routes are more distance efficient but slower optimum will sometimes favor one path or the other depending on my direction of travel -- pretty freaky, but fun.

    If you get the traffic add-on (I have) the fun part is that it factors the slow-downs into this calculation. So while it might not normally select a route for "optimum" in clear traffic, with sufficiently slower travel on the longer (assume highway) route, it will flip over and prefer the shorter distance instead. It works fairly well in practice. I've even had it select a slightly longer highway route (taking me out of my way a bit) because it knows traffic is traveling faster on that route and I will get there sooner.
  3. #3  
    flyingember's Avatar
    iPhone Elite

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    ask each company

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