I got some days ago GPS traces from Costa Rica. I’ve been there and know the roads but at the time I was there I wasn’t interested in Openstreetmap and didn’t have a GPS so I didn’t have any tracks to use to draw roads there until now. This is a short story of what these valuable tracks helped me to do...

Read the rest at http://risto.kurppa.fi/blog/costa-rica-openstreetmap/