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Let say I have route 1 from A -> B -> C, route 2 from C -> B -> D,

how can I write SQL for pgRouting which can let me have the result route 1 -> route 2 when I want to get the shortest path from A to D?

Or should I just use Neo4j or other server side solutions in this case?

  • Can you explain this problem a bit better? Do you need multi-modal routing? – dkastl Aug 7 '14 at 21:38
  • Excuse me, does multi-modal routing mean different transport means? If so, it is one of the case. – Harold Chan Aug 8 '14 at 1:03
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    At the moment pgRouting does not have a working multi-modal function unfortunately. Multi-modal takes into account the time tables: github.com/pgRouting/pgrouting/wiki/… – dkastl Aug 8 '14 at 7:32
  • how you managed the bus route? – Julio Marins May 25 '15 at 21:54
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You can do it by creating dummy link over your city network to represent the bus route, then asign those link a different speed and can increase cost forr normal link to give preference to bus. Then you connect bus stop with city network and algorithm can change between different bus routes.

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