Instant Alert: Switzerland spent $12 billion to build the world's longest and deepest train tunnel

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   Switzerland spent $12 billion to build the world's longest and deepest train tunnel by Lamar Salter on May 31, 2016, 12:45 PM Switzerland is set to open the longest and deepest train tunnel in the world; a $12 billion project that took 17 years to complete. Produced by Lamar Salter  Follow BI Video On Twitter   Share the latest business news with your network: Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011