Tratex / Frutiger

Tratex font 

The font used in Sweden and Finland is Tratex, which was designed by Karl-Gustav Gustafson in order to provide maximum legibility. 
Another important font used in Europe is Frutiger which is used in Switzerland. The initial font design by Adrian Frutiger was made for the signaling of the Charles De Gaulle airport in France.

Frutiger font

Charles De Gaulle airport signage