France's railway network, which stretches  as of 2008, is the second most extensive in Western Europe after Germany. It is operated by the SNCF, and high-speed trains include the Thalys, the Eurostar and TGV, which travels at . The Eurostar, along with the Eurotunnel Shuttle, connects with the United Kingdom through the Channel Tunnel. Rail connections exist to all other neighboring countries in Europe except Andorra. Intra-urban connections are also well developed, with most major cities having underground and/or tramway services complementing bus services.