[openstreetmap/openstreetmap-website] Question: What path finding algorithm is used? (#3178)

[Frederik Ramm]

This repository contains the code running the OSM web site. The route finding is not part of this web site or repository; instead, routing requests are delegated to other routing engines, namely GraphHopper https://github.com/graphhopper/graphhopper and OSRM https://github.com/Project-OSRM/osrm-backend . Both engines support "contraction hierarchies" and other routing algorithms. 

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