That's the best start I've see to a route map. It looks like the data was collected by GPS, which is a good idea. Still, a lot of routes that I've used are not

That's the best start I've see to a route map. It looks like the data was collected by GPS, which is a good idea. Still, a lot of routes that I've used are not mapped and the maps that exist are of variable quality. I think that organized projects based on smartphone users should be able to solve the problem eventually.