Europe's Longest Tunnel is Under a Big City

The tunnel is under a big city in Europe.

A big city in Europe has many tunnels. The Blanka Tunnel is the longest tunnel in Europe and is 5,502 meters long.

The tunnel is under Prague. It is the longest road tunnel in the Czech Republic and connects two parts of the city.

The tunnel has three parts. It was built to help reduce traffic in the city centre. Many cars have used it since it opened.

Today, about 88,000 vehicles use the tunnel every day. The tunnel opened on September 19, 2015.

People started building the tunnel in 2006, but they planned it in 1993. It was supposed to open in 2011, but it took four more years.

The tunnel helps reduce traffic on city streets.

The tunnel cost a lot of money. There were problems during construction, including three landfalls.

Two landfalls happened in a park, making a big hole. Another landfall happened near a government building.

The tunnel needs constant maintenance. There is a control centre that checks the tunnel all the time.

Last year, the tunnel was 10 years old. It has helped reduce traffic and made travel times shorter.

Many vehicles have used the tunnel since it opened.

One part of the tunnel has been used the most, with over 271 million vehicles. The other two parts have also been used a lot.

The tunnel has been open for a long time, but some things are still not fully approved.

One part of the tunnel is still being used temporarily.

People think the tunnel will be fully accepted soon.

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