Complex sentence: A conventional double track railway connects Turin with Lyon since 1872 and has been electrified since 1915, with renovations (Italian side) between 1962 and 1984 and again between 2001 and 2010.
Split into simpler sentences: A conventional double track railway connects Turin with Lyon since 1872 and has been electrified since 1915. The Italian side was renovated between 1962 and 1984 and again between 2001 and 2010.