The RABDe 500 (often nicknamed ICN for Intercity-Neigezug, German for Intercity Tilting Train), is a Swiss high speed passenger train which was introduced in 2000, in time for Expo.02 held in western Switzerland in 2002. Its maximum speed is , which can be reached on the Mattstetten–Rothrist new line; the RABDe 500 uses the branch to Solothurn only; the ICNs reach 200 km/h in the new Gotthard Base Tunnel. The train sets were a joint development by Bombardier, Swiss Federal Railways and Alstom, with an aerodynamic body designed by Pininfarina, bogies and tilting mechanism designed by the then SIG, Schweizerische Industrie Gesellschaft.