The Storhagen Atrium in Norway needed a way to help
visitors find their way around the complex with no problem
whatsoever. With that in mind, the government tapped the
design team of Ralston and Bau, who have come up with a
stylistic and colorful scheme similar to the Tokyo subway map.
Get more info here:
http://www.fastcodesign.com/1662665/a-norwegian-government-building-youll-want-to-get-lost-in-but-cant