The Simplest Turn-By-Turn Navigation System Ever

There's plenty wrong with turn-by-turn navigation, so here's a completely different solution: boil the route down into the most simple set of rules possible — and leave the user to it.

There are plenty of systems that can be described far more simply than they initially appear — and directions are one of them. So instead of just describing which left and right to take based on distances travelled, an algorithm could boil down instructions to a simple set of logical rules which can be used to navigate to the same destination. If nothing else, it would keep you mentally alert during the journey. [XKCD]


    I have turn by turn navigation already... and it keeps me awake for the entire trip. But it's about as expensive as you can get... and the instructions keep getting interrupted with the latest gossip about home and away...

    Not sure Randall's directions are that simple. There are plenty of people who'd be fooled by Highway 27 or John Tyler Drive.

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