the Gotthard Tunnel is nearly 10.5 miles long, of enclosed monotony, and overtaking inside is strictly forbidden.

one British motorcyclist earlier this year decided to make his own entertainment. 

By the time he exited, he’d overtaken 47 vehicles. Two trucks, forty-five cars

Swiss police were waiting at the exit. The fine is about €13,000 in total, plus a lifetime ban from riding or driving in Switzerland.

https://www.rideapart.com/news/774412/motorist-fined-in-swiss-tunnel/