Category:Rail tunnels opened in the 20th century

• Rail tunnels opened in the 1900s (13 C)
• Rail tunnels opened in the 1910s (11 C)
• Rail tunnels opened in the 1920s (7 C)
• Rail tunnels opened in the 1930s (5 C)
• Rail tunnels opened in the 1940s (2 C)
• Rail tunnels opened in the 1950s (6 C)
• Rail tunnels opened in the 1960s (8 C)
• Rail tunnels opened in the 1970s (12 C)
• Rail tunnels opened in the 1980s (9 C)
• Rail tunnels opened in the 1990s (13 C)

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• Rail tunnels in Austria opened in the 20th century (2 C)
• Rail tunnels in Canada opened in the 20th century (1 C)
• Rail tunnels in Germany opened in the 20th century (5 C)
• Rail tunnels in Italy opened in the 20th century (6 C)
• Rail tunnels in Switzerland opened in the 20th century (5 C)
• Rail tunnels in the United States opened in the 20th century (7 C)