Anyone who is a nasal length for others sometimes builds a considerable lead of ten meters and more. In any case, when the noses of high -speed trains are in demand: in Japan and China there are parties, the extreme noses of which bring it to 15 or even 22 meters. They mainly serve to protect noise protection, because if a train rides rapidly into a tunnel, the pressure wave at the other end can cause a loud bang. With a long front you counteract this tunneling effect.
