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Under the hood

Our maps are made using open data from OpenStreetMap, licensed under the Open Database Licence; with additional UK data from Ordnance Survey, licensed under the Open Government Licence (© Crown copyright and database right 2019), and additional Canadian data from StatCan (Geography Division, Statistics Canada). Additional UK data from the Department for Transport under the Open Government Licence; additional US data from federal sources; additional French data from départements under Licence Ouverte and the Open Database Licence; additional Australian data from the governments of NSW, Queensland, South Australia, Western Australia and Victoria under Creative Commons Attribution 4.0.

Help improve these maps!

OpenStreetMap is made by people like you. If a cycle path, road, pub or café is missing, just head in and add it. It’ll then be available to thousands of other cyclists using, OpenCycleMap, CycleStreets, Sustrans’ printed maps and many other projects: we all take the same data and add our own spin to it.

Here at we’ve supported OpenStreetMap since its first months back in 2004; we’ve mapped countless miles of cycle routes and contributed a lot of the code that’s been used in the project over the years.

How uses OSM data

We aim to take updates from OpenStreetMap every month: it then takes around three days to do all the calculations to find the best routes. Here’s the date on which we last updated the data.

We do a lot of processing work to make the raw OSM map as useful as possible for cyclists (several thousand lines of code!). If you’re editing OSM, here are some of the things to keep in mind:

We also use Ordnance Survey data for UK built-up areas, Corine data for European built-up areas, and government open data for North America. We use both Ordnance Survey and NASA data for elevation.

If you find something missing or misleading in our maps and directions, head over to OpenStreetMap to fix it. But if OSM’s right, and isn’t doing what you’d expect with the data, we want to know. Post in the site forum and let us know what you think.