It is operated by the Central Railway and Western Railway zones of the Indian Railways. Visakhapatnam is the headquarters of South Coast Railway zone of Indian railways. Gujarat comes under the Western Railway Zone of the Indian Railways. Embankments were overcrowded with railways, roads and tramways. The area is home to remnants of through railroads that are now heritage railways. Roads, railways and canals were built. Odisha has a network of roads, railways, airports and seaports. The Pakistan Railways, under the Ministry of Railways (MoR), operates the railroad system. Melbourne has three level crossings between electrified suburban railways and tram lines. This includes roads, bridges, railways, etc. The 6E1 locomotive of the South African Railways are wide. Zhengzhou is the hub of intercity railways in Henan. Japan also exhibited no intention before of linking the transcontinental Beijing Hankow Canton railways. Swengel suggested that these problems contributed to the interest in electrification of railways. The economy slowly industrialized with the help of foreign investments in railways and factories.