For the celebration of 150 years of the line Fribourg-Lausanne, a steam train circulated from Berne to Lausanne and back with 2-10-0 four cylinder compound C 5/6 # 2978 "Elephant" and 4 cars of the "Express train 1930" including a diner. The train is crossing the 176 meter long Rochettaz viaduct over La Paudèxe creek near La Conversion, dating from 1862, when the line was built.