Category:Tunnels in Austria opened in the 20th century

Tunnels in Austria by century of opening: 19th century · 20th century · 21st century ·

Subcategories

This category has the following 7 subcategories, out of 7 total.

Tunnels in Austria opened in the 1900s (3 C)
Tunnels in Austria opened in the 1920s (1 C)
Tunnels in Austria opened in the 1970s (4 C)
Tunnels in Austria opened in the 1980s (4 C)
Tunnels in Austria opened in the 1990s (4 C)

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