And to do that meant creating the flattest gradients that had ever yet been made, which meant building long viaducts across river valleys -- this is actually the viaduct across the Thames at Maidenhead -- and long tunnels such as the one at Box, in Wiltshire.
Si pentru aceasta a creat cea mai plata calea ferata care a fost facuta vreodata, ceea ce a insemnat crearea unor viaducte lungi peste vaile unor rauri -- acesta este de fapt viaductul peste Tamisa la Maidenhead -- si tunele lungi precum cel din Box, in Wiltshire.