Complex sentence: In 1855, the railway line Yverdon-Bussigny-près-Lausanne opened a train station at Cossonay-Gare, and the station is today served by three routes of the Léman RER commuter train network.
Split into simpler sentences: In 1855, the railway line Yverdon-Bussigny-près-Lausanne opened a train station at Cossonay-Gare. Cossonay is served by three routes of the Léman RER commuter train network.