HH Tunnel
The HH Tunnel is a proposed tunnel, actually several tunnels, under Øresund between Helsingborg, Sweden and Helsingør, Denmark. The connection is planned for both road traffic, freight trains, and passenger trains.
Recent studies undertaken in the Interreg project IBU Øresund proposes a tunnel design with two separate alignments. A tunnel for road traffic and freight trains is proposed just south of Helsingborg and Helsingør, connecting to motorways on both sides. A tunnel for passenger train traffic is proposed in a more central location, connecting Helsingborg Central Station and Helsingør Station.
Investment is estimated to about 34 billion Danish krone. This excludes connecting railways.
There is still no decision on the construction of the HH-route. Neither the Danish or Swedish Government have so far made any decisions about time-tables or financing. Local and regional authorities are involved in the project.
The largest proposals for connecting railways include new high-speed railways Jönköping–Helsingborg (Europabanan, 250 km) and Helsingør–Copenhagen (50 km). If a freight train tunnel is built then the connecting railway Hässleholm–Helsingborg (75 km) must be upgraded to double track and a new freight railway Helsingør–Roskilde (60 km) must be built. Various Danish governments have over a long time renounced especially freight trains through Northern Zealand. And the project as such has never been given any higher priority in Denmark. The new Swedish (from October 2014) government has stated the project as "one of several" they have in mind.
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Coordinates: 56°02′N 12°39′E / 56.03°N 12.65°E