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I'm making a web app that makes what the title says, right now I have my bus stops and routes and I know how to add them to my map as markers and polylines respectively, I can also get the users current position and add a marker where they click on the map.

Now I need to know how to return the fastest route to get from current location to the desired destination, like google maps does, and I have no clue how to. Any help would be greatly appreciated.

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  • Look up the Dijkstra algorithm
    – Tangentially Perpendicular
    Commented Jul 2, 2023 at 1:21
  • I would suggest to load data to Postgres+PostGIS, then use PGR module to perform shortest path computation- there are different algorithms implemented like Dijkstra, A*, …. Specifically, if you want to use data from OSM, it would be much easier to load it in Postgres and use PostGIS functionalities.
    – Ehsan Hamzei
    Commented Jul 2, 2023 at 1:53
  • you can also use open route services - to compute shortest path from their data and using their APIs: github.com/GIScience/openrouteservice-py
    – Ehsan Hamzei
    Commented Jul 2, 2023 at 2:43
  • You will have to account for schedules, not just a simple path. This is quite involved, and I'd recommend using an API that accounts for the complexity, not building (and maintaining! schedules are dynamic) your own.
    – alphabetasoup
    Commented Jul 3, 2023 at 1:10
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