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  2. List of metro systems in Europe - Wikipedia

    en.wikipedia.org/.../List_of_metro_systems_in_Europe

    Class H of the Berlin U-Bahn. The following is a list of metro systems in Europe, ordered alphabetically by country and city.Although the term metro (or métro, metró, metrosu, metropoliteni, or metropolitano / metropolitana in Southern Europe, or mietrapaliten / metropoliten in Eastern Europe) is widespread in Europe, there are also other names for rapid transit systems, such as subway ...

  3. Erdstall - Wikipedia

    en.wikipedia.org/wiki/Erdstall

    An erdstall is a type of tunnel found across Europe. [1] They are of unknown origin but are believed to date from the Middle Ages . A variety of purposes have been theorized, including that they were used as escape routes or hiding places, but the most prominent theory is that they served a religious or spiritual purpose.

  4. List of tunnels by country - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_by_country

    Artemisio Tunnel (road), double tunnel, under Mount Artemision, 1.40 km 76 tunnels of the A2 motorway (Egnatia Odos), most notably in parts of Epirus and Western Macedonia , combined length of 99 km, the longest of which are Driskos Tunnel 4.6 km, Metsovo Tunnel 3.5 km, Dodoni Tunnel 3.6 km, Kastania Tunnel 2.2 km, Anilio Tunnel 2.1 km

  5. Category:Road tunnels in Europe by country - Wikipedia

    en.wikipedia.org/wiki/Category:Road_tunnels_in...

    Category: Road tunnels in Europe by country. 1 language. ... Road tunnels in the Netherlands (10 P) Road tunnels in Norway (15 C, 2 P) R. Road tunnels in Russia (5 P) S.

  6. Tunnel network - Wikipedia

    en.wikipedia.org/wiki/Tunnel_network

    In transport, tunnels can be connected together to form a tunnel network.These can be used in mining to reach ore below ground, in cities for underground rapid transit systems, in sewer systems, in warfare to avoid enemy detection or attacks, as maintenance access routes beneath sites with high ground-traffic such as airports and amusement parks, or to extend public living areas or commercial ...

  7. Category:Tunnels in Europe - Wikipedia

    en.wikipedia.org/wiki/Category:Tunnels_in_Europe

    Undersea tunnels in Europe (3 C, 16 P) Pages in category "Tunnels in Europe" The following 2 pages are in this category, out of 2 total.

  8. Transport in Europe - Wikipedia

    en.wikipedia.org/wiki/Transport_in_Europe

    Many cities across Europe have a rapid transit system, commonly referred to as a metro, which is an electric railway. The world's first underground railway, the Metropolitan Railway, was opened in London in 1863. It is now part of London's rapid transit system that referred to as the London Underground, the longest

  9. Underground construction - Wikipedia

    en.wikipedia.org/wiki/Underground_construction

    The 19th century saw innovations in shield tunneling techniques which made underground construction in soil safer. As nations urbanized the extent of underground urban construction increased significantly with improved sewers, public water systems, subways, and underground commercial spaces all being required by expanding cities.