Kostas Pelechrinis - I'm actually already building this. The company is called LaneSpotter. We launched last year and have tens of thousands of cyclists - in cities across the country - on the platform. If you're interested on working on this with us, we should talk.
Matt Holland - I'm actually working on something to help solve this problem. It's called LaneSpotter. iOS and Androids apps that show bike lanes and trails, as well as street-level safety ratings, given to the roads by people who bike them.