Video: See how this machine cleans the clean white tunnel like it did

With 7 extended arms and all kinds of cleaning tools, this car can clean up a new tunnel like in Switzerland.

Dark tunnels are always the most favorable conditions to form plaque, dirt and air pollution due to the continuous and prolonged flow of vehicles. That is also the reason why the Swiss authorities have to hire specialized "fleets" to clean and clean the tunnel periodically.

Special vehicles for cleaning and cleaning tunnels.

Each cleaning vehicle can extend its arm across a tunnel and perform tasks to wipe and wash the tunnel surface.

According to Wonderful Engineering, the selected fleet of Colas Suisse, a road and bridge repair company in Switzerland. The company specializing in road construction solutions, civil engineering, material production, was founded in 1927 in Satigny, Switzerland and is a subsidiary of Bouygues SA.