👉 A flangeway is a type of underground railway tunnel. It is typically built to provide an efficient and cost-effective means of transporting goods from one location to another, such as warehouses or factories, without the need for roads or bridges. Flangeways are often used in urban areas where there is limited access to roads or other transportation systems. The construction of flangeways can be complex and requires careful planning and design to ensure that they meet safety standards and operate efficiently. The tunnel may be built
