This truck cleans tunnels and it's made by Colas, a company that specializes in road construction. The idea for the truck was inspired by a car wash. It takes the method of cleaning cars and reverses it. This truck uses water without detergent to stay eco-friendly. The machine can fold up in 5 minutes which allows the road to be cleared quickly. It can also adapt to different tunnels. Don't tunnels deserve a little scrub-a-dub?
Read more: http://www.businessinsider.com/sai