They pressed themselves flat against the tunnel wall as the train approached.

It includes the slowest turn in all of F1, the hairpin at Grand Hotel, where cars slow to 40 MPH, and one of the fastest, a flat-out sweeper through a tunnel taken at 160 MPH.

Thee tunnel's course is flat and straight instead of winding up through the mountains like the old rail tunnel and a road tunnel opened in 1980.