don't know who has mapped it, but it was proven again
that osm is a great deal faster than others.
have a look:

http://tools.geofabrik.de/mc/?mt0=mapnik&mt1=googlemap&lon=11.34856&lat=48.14347&zoom=14

there is an article on a local newspaper which was published on 17.10.10 (!) and it is about a long
waited for bypass near Munich:
http://www.merkur-online.de/lokales/landkreis-fuerstenfeldbruck/verkehrsfreigabe-ortsumfahrund-puchheim-964536.html

google doesn't know about it, of course.

greetings
francoise