Category:Tunnels completed in the 1970s

0–9

• Tunnels completed in 1970 (6 P)
• Tunnels completed in 1971 (5 P)
• Tunnels completed in 1972 (10 P)
• Tunnels completed in 1973 (6 P)
• Tunnels completed in 1974 (3 P)
• Tunnels completed in 1975 (12 P)
• Tunnels completed in 1976 (3 P)
• Tunnels completed in 1977 (3 P)
• Tunnels completed in 1978 (5 P)
• Tunnels completed in 1979 (2 P)