This can vary, just like it does on our interstates. Usually 2 lanes each way, but sometimes 3 or 4 lanes each way.
Lanes are typically 8' wide. Hiway lanes are 10'
autobahn is a general term that refers to the entirety of the German expressways, not one single highway. Therefore the number of lanes varies, though most have 2 or 3, and an emergency shoulder. The older ones generally have 2 lanes and no shoulder, but some of the newest have up to 5 lanes (in each direction) and a shoulder.
390cm but most running tracks have 8 lanes
Autobahn = motorway Autobahn = freeway
Lanes are usually about 11-12 feet wide, so a road with two lanes (one lane going in each direction) would be between 22 and 24 feet wide. A road with two lanes in each direction would be between 44 and 48 feet wide.
The lanes is 1.22m, 0.01m wide including the lane line on the right.
Schnellstraße or Autobahn
Autobahn is German for "freeway"; the proper name of the autobahn there is Bundesautobahn, meaning "federal motorway".
The end of the autobahn sign can be found at the exit ramp or the point where the autobahn ends.
The autobahn is in Germany.
berlin i will drive the autobahn in berlin