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,
Nairobi transferred from the metre-gauge trains to the CBD. Nairobi is served by highways that link Mombasa to Kampala in Uganda and Arusha in Tanzania. These are earmarked to ease the daily motor traffic within and surrounding the metro area. However, driving in Nairobi is chaotic. Most of the roads are tarmacked and there are signs showing directions to certain neighbourhoods. The city is connected to the Jomo Kenyatta International Airport by the Mombasa Highway, which passes through Industrial Area, South B, South C and Embakasi. Ongata Rongai, Langata and Karen are connected to the city centre by Langata Road, which