This blog post is about the experience I made when compiling the GraphHopper routing engine to a native executable using GraalVM. The GraphHopper routing engine is an open source project that uses the road network from OpenStreetMap and is able to calculate routes from A to B very fast and offers other features like isochrone […]

A long silence for a young company can mean many different things. In our case it only means that we further concentrate on making our products better! We are very happy to improve the GraphHopper Directions API every week and keep you up to date with this newsletter. We improved the Route Optimization API in […]

We are proud to release version 0.8 of our open source GraphHopper routing engine! Here is the polished snap-to-road feature in two screenshots: A big thanks goes to all of our contributors and translators! To become a contributor see our contributing guidelines and e.g. the good first issues. Read here to see how to become […]

GraphHopper provides open source routing solutions and routing as a service. Read more at Directions Magazine.

Yesterday we got a support request that a certain route request fails and just says ‘route not found’. We wanted to quickly reply that the open source routing engine has an option where you can reduce to a sufficient minimum, but as it turned out he meant the hosted GraphHopper Routing API where we already […]

Introduction In this tutorial we are going to show you how to model a vehicle routing problem with vehicles that can have multiple return trips to the depot or hub.For example, let us assume you have 2 drivers that have a car much like the one on the figure below. It has an electric motor […]