With its 1872 meters, the Luka tunnel will probably become the longest tunnel on the D3 highway route between Prague and Mezno in South Bohemia. Near Jílové u Prahy, they have started digging a third exploration tunnel for it. Before its tubes are built, the builders are conducting a detailed geotechnical survey so that they will not be surprised by anything in the area, which is riddled with historical gold-bearing tunnels.
With its 1872 meters, the Luka tunnel will probably become the longest tunnel on the D3 highway route between Prague and Mezno in South Bohemia. Near Jílové u Prahy, they have started digging a third exploration tunnel for it. Before its tubes are built, the builders are conducting a detailed geotechnical survey so that they will not be surprised by anything in the area, which is riddled with historical gold-bearing tunnels.