On Thu, Feb 4, 2010 at 6:35 PM, John Smith <deltafoxtrot256 at gmail.com> wrote: > > The dots are nodes, Got it. > the thick centre line is the way Got it. > the medium thickness lines are where the nodes would be where the > centre line is extended from/to Huh? > the thinner lines are lanes. Huh? Do they exist in the database? If so, as what?