The Baikal-Amur Mainline (BAM) is a major railway in eastern Russia that runs parallel to the Trans-Siberian Railway. It stretches approximately 4,300 kilometers from Tayshet in Siberia to Sovetskaya Gavan on the Pacific Ocean. The BAM was constructed to improve transportation in remote areas and to support economic development. Construction of the BAM began in the 1970s and was completed in the 1990s. The railway traverses challenging terrain, including mountains and swamps, making it a significant engineering achievement. Today, the BAM plays a crucial role in transporting goods and resources, enhancing connectivity in the region.