Trans-Siberian Railway Similar to the First Transcontinental Railroad in the US, Russian engineers started construction at both ends and worked towards the centre. From Vladivostok the railway was laid north along the right bank of the Ussuri River to Khabarovsk at the Amur River, becoming the Ussuri Railway. In 1890, a bridge across the Ural River was built and the new railway entered Asia. The bridge across the Ob River was built in 1898 and the small city of Novonikolaevsk, founded in 1883, grew into the large Siberian city of Novosibirsk. In 1898 the first train reached Irkutsk and the shores of
Trans-Siberian Railway from one side and then exit China and return to Russia on the other side) on this branch, it is still used by several international passenger services between Russia and China. The third primary route is the Trans-Mongolian Railway, which coincides with the Trans-Siberian as far as Ulan-Ude on Lake Baikal's eastern shore. From Ulan-Ude the Trans-Mongolian heads south to Ulaan-Baatar before making its way southeast to Beijing. In 1991, a fourth route running further to the north was finally completed, after more than five decades of sporadic work. Known as the Baikal Amur Mainline (BAM), this recent extension departs