On Sun, Dec 6, 2009 at 9:21 AM, James Ewen <[email protected]> wrote: > Would a routing engine possibly mistake these common nodes as a valid > routing choice, and try to get people to follow the routing in an > obviously incorrect manner? Should these ways cross each other without > common nodes? By not having a common node, there would be no way for a > routing engine to make a mistake. These ways do indeed all cross at > the exact same physical level on the pavement, with no grade > separation, but it is not legal to change from one way to another at > that point. >
I just asked this identical question on talk (I think), and was persuaded that it's best to always create a node if the ways cross, and to use turn restrictions to prevent incorrect routing. Steve
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