In 2021, an average of 74 300 persons per day crossed the main Swiss Alpine ridge by road (in both directions) in 32 700 passenger cars and coaches and on 1600 motorcycles. The most heavily used crossing was the Gotthard tunnel: Nearly 43% of the people who crossed the Swiss Alps used this route. This was followed by the San Bernardino with 20%.
Alpine crossings by rail totalled an average of 11 800 persons per day. The majority of travellers (65%) by rail also used the Gotthard.
Compared with the last survey in 2015, transalpine traffic by road fell by 20% and by rail by 28%. The main reason for this was the COVID-19 pandemic.
