Tunnels completed in 1991

tunnel between Austria and Slovenia

tunnel in Russia

road tunnel in Vestland, Norway

Múlagöng () or Ólafsfjarðargöng is a one lane tunnel in Iceland, located in Northeastern Region along Route 82, connecting Dalvík and Ólafsfjörður. It was the fourth tunnel constructed in Iceland. It has a length of and was opened on March 1, 1991.

thumb|300px|right|Route of the tunnel on the north-western edge of Antwerp thumb|300px|right|Tunnel entrance

tunnel in Hong Kong

undersea tunnel in Molde, Norway