Mombasa–Nairobi Standard Gauge Railway Mombasa–Nairobi Standard Gauge Railway The Mombasa–Nairobi Standard Gauge Railway is a standard-gauge railway (SGR) in Kenya that connects the large Indian Ocean city of Mombasa with Nairobi, the country's capital and largest city. This SGR runs parallel to the defunct, narrow-gauge Uganda Railway that was completed in 1901 under British colonial rule. The East African Railway Master Plan provides for the Mombasa–Nairobi SGR to link with other SGRs being built in the East African Community. At a cost of , the SGR is Kenya's most expensive infrastructure project since independence. The prime contractor was the China Road and Bridge Corporation,
Mombasa Peninsula, the Indian Subcontinent and China. 16th-century Portuguese voyager Duarte Barbosa claimed, "[Mombasa] is a place of great traffic and has a good harbour in which there are always moored small craft of many kinds and also great ships, both of which are bound from Sofala and others which come from Cambay and Melinde and others which sail to the island of Zanzibar." Vasco da Gama was the first known European to visit Mombasa, receiving a chilly reception in 1498. Two years later, the town was sacked by the Portuguese. In 1502, the sultanate became independent from Kilwa Kisiwani and