The round sign is iconic, printed on T-shirts and keychains. A black circle rings the perimeter, with five black lines slicing diagonally from bottom left to top right. To spot this sign in the wild, ...

The answer to whether Germany's Autobahn has a speed limit is -- yes and no. While around half of the Autobahn system has no posted speed limits, one-third of the Autobahn has a permanent, posted ...

For drivers used to fixed numbers on every signpost, the idea of “unlimited” roads can sound like a myth. In reality, it ...

This 722HP Audi RS7 C8 takes on the German Autobahn in a no-limits speed run. With its twin-turbo V8 power and Quattro grip, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

(This Jan. 26 story corrects paragraph five to show Bavaria home to BMW, not Daimler) BERLIN (Reuters) - A majority of Germans favor setting maximum speed limits for Germany's famously fast Autobahns ...