Arizona could inaugurate a home-brewed version of Germany’s unrestricted autobahn. Nick Kupper, one of the Grand Canyon State ...

The idea of speed-limitless highways in America has always seemed like a pipe dream to me. Sure, there are plenty of roads in ...

Germany’s autobahn is not just a freeway network, it is also one of the country’s best known cultural exports. Ask a gearhead to nominate facts about Deutschland and the lack of speed limits over much ...

The new RAPID Act would permit derestricted daytime speeds on rural interstates, but only after passing detailed safety and ...

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, ...

Germany's national highway system — commonly known as the Autobahn — looks like many other highway systems in the world, except for its most famous feature: long stretches where you are legally ...

Arizona may become the only state without maximum speed limits on some highways, as Rep. Nick Kupper proposes a pilot project ...

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, ...