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About the Project

The Open Source Routing Machine (OSRM) is a C++ implementation of a high-performance routing engine for shortest paths in road networks. It combines sophisticated routing algorithms with the open and free road network data of the OpenStreetMap (OSM) project. Shortest path computation on a continental sized network can take up to several seconds if it is done without a so-called speedup-technique. OSRM is able to compute and output a shortest path between any origin and destination within a few miliseconds. Since it is designed with OpenStreetMap compatibility in mind, OSM data files can be easily imported. A demo installation is sponsored by Karlsruhe Institute of Technology and previously by our friends at Geofabrik. OSRM is under active development.

The key features of OSRM are:


OSRM is free, open source, and available under the very permissive (simplified) 2-clause BSD license.

Platforms supported

Operating Systems Compilers Third Party dependencies
Linux (kernel >= 2.6.25)
Windows (more or less)
Mac OS X
g++ 4.4+
llvm-g++/dragonegg 2.8+
llvm/clang 3.2+
icc 13.0+
Boost 1.44+
libxml2 2.7+
cmake 2.8+
stxxl 1.3.1+
libprotobuf 2.30+

Current version

Version 0.1 (July 10, 2010) is a baseline release. It has basic features. Version 0.2 (March 2011) is much faster and more resource friendly. After that the project switched to a rolling release. Version 0.3.7 is the current release that is geared toward new and exciting features.


Current Stable Version Development Version
Download: [v0.3.7 tarball] [develop tarball]

Copyrights and permissions to to reproduce

The text of this page is available for modification and reuse under the terms of the (simplified) 2-clause BSD license.