The planned routes do not go through the alps, they go around them, mainly in the flat lands. https://www.cst.ch/wp-content/uploads/2022/06/2015_10_vek_Karte_G

The planned routes do not go through the alps, they go around them, mainly in the flat lands. https://www.cst.ch/wp-content/uploads/2022/06/2015_10_vek_Karte_Gesamtnetz_Illustrator_Transparent.png https://www.cst.ch/wp-content/uploads/2022/06/2015_10_vek_Ka...