With the tunnel may only use vehicles – pedestrians and cyclists are banned from entry. On Saturday, before the official opening, they were made available to them crossing. Mayor of Gdansk Pawel Adamowicz assured that once a year, on the third Saturday in April, the tunnel will be made available to cyclists, to commemorate the opening of the crossing. He stressed that “the tunnel has become a showcase of Gdansk.”
Adamowicz estimated that Gdansk investment “dares other Polish cities to build the tunnels.” – Has been exceeded in Gdansk a barrier, can we, can we, can we stand by and as you can see, with a good result – he said.
Two thread
The underwater crossing consists of two strands of the tunnel, each of which has two lanes. Its length is 1.4 km, and the lowest point occurs at a depth of 35 m below the surface. The safety of the crossing ensure special systems, including cleaning tunnel with excess exhaust gas sensors, carbon dioxide. This is the first of its kind in Poland and one of the largest investments in Pomerania in recent years.
The cost of building the tunnel along with the nearby roundabout is 885 million zł gross. In 85 percent. investment financed from EU funds. Although they were construction delays, but they did not have an increase in construction costs.
Half a million tonnes of excavated material
The contract for construction was signed in October 2011 and work began in the spring of next year. The tunnel is made using hollow, with the German machine drill TBM (Tunnel Boring Machine). When excavation excavated and transported half a million tons of ore.
In the tunnel installed 120 cameras that will monitor traffic around the clock. Control is necessary because good acoustics may encourage faster driving, while the speed limit is 70 km / hr., And may be temporarily restricted, eg. Due to heavy traffic and congestion at the exit.
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