The tunnel is 57km long making it the longest in the world

New Gotthard

base tunnel

20 km

20 miles

Switzerland

Current railway line

Switzerland

Erstfeld

Amsteg

Sedrun

Faido

Bodio

50.5

Channel tunnel

53.9

Seikan tunnel, Japan

57km

Gotthard base tunnel

New Gotthard base tunnel

20 km

20 miles

Switzerland

Current railway line

Italy

Switzerland

Erstfeld

Amsteg

Sedrun

Faido

Bodio

50.5

Channel tunnel

53.9

Seikan tunnel, Japan

57km

Gotthard base tunnel