If you click on a section of the generated route a dialog box will appear allowing you to rate that section's perceived safety on a scale of 1-7, this will affect future generated routes. Also the system tends to prefer residential streets and cycleways over major roads, and prefers roads with bike lanes or signed bicycle routes.
OpenStreetMap
Discussion
Coment di wieland ai 22 di March 2010 a lis 08:58
How do they know, which way is safer?
Coment di andrewpmk ai 23 di March 2010 a lis 03:51
If you click on a section of the generated route a dialog box will appear allowing you to rate that section's perceived safety on a scale of 1-7, this will affect future generated routes. Also the system tends to prefer residential streets and cycleways over major roads, and prefers roads with bike lanes or signed bicycle routes.
Coment di wieland ai 23 di March 2010 a lis 21:06
@andrew: Thanks