Blue road maps Kummerly+Frey road maps are very popular travel companions - for planning, underway and once you have arrived. A clear map image and precision cartography are the distinguishing features, which are sometimes referred to as the "blues". The series comprises of well over 100 up-to-date road and travel maps. All the road maps have one feature in common: top-class Swiss quality. Using a Kummerly+Frey blue map will open up a whole new travel horizon, you will be surprised.