1/3 der Schweiz lebt entlang dieses Bahnkorridors

Found this graphic on the NZZ. I found it pretty interesting, and it shows how important the Plateau is for Switzerland.

Without the inclusion of the distance, radius or amount of cities to the railway line which were taken into account, the graphic lacks essential contextual information.

Edit: Five kilometers to the left and right of the railway line were used for the statistics