The Old Railway Tunnel Transformed Into a Wind Tunnel for F1 Cars

You likely have never heard of Catesby Tunnel. It's one of the countless UK railway tunnels that have been abandoned since the Victorian era. It was built in 1897 and closed in 1966.

It is 1.68 miles (2.7 kilometers) long and it's sealed at both ends making it ideal to test F1 cars. It will now soon be used to do exactly that: trial F1 cars.

In front of the tunnel lies a massive construction that allows a lorry to drive all the way into the facility and carry a secret car without anyone seeing it. The building is further split into two so you can have Aston Martin F1 on one side and Red Bull F1 on the other and the two can't spy on each other.

But you must be wondering what is inside the tunnel? How do you take such an old construction and update it to test today's most powerful vehicles? What upgrades are needed and what does the final product look like? Also, what do they do for noise? Fast cars are very loud especially when they are being tested at their highest speeds. 

The video answers all these questions and more and gives you an exclusive inside look into the secret tunnel. It's a clip not to be missed!