The node 31290236 is part of a bridge - the road forks there. It is here, how it actually looks can by seen here |
It is usually a good idea to avoid junctions of ways on different layers. One of the roads at that node is tagged as Tools like Keep Right! can warn of these "mixed layers intersections". Though I'm not sure if this actually affects the Mapnik rendering. Adding the layer tag helped and since it is the part that goes from one level to another is is not incorrect.
(27 Feb '12, 00:03)
LM_1
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