On 2/15/2012 6:46 AM, Mike N wrote: > On 2/15/2012 12:41 AM, Nathan Edgars II wrote: >> (nodes contained in only one highway way) > > ... and first or last node of the way? Yes, that's what I meant to say. But even that's not perfect for a P-shaped road. Essentially it's a node with only one exit.