CNN reports [cnn.com]:
It's been billed as the most ambitious project in Kenya since it gained independence in 1963.
Now, the first section of the east African nation's $13.8 billion railway [theguardian.com] is nearly finished [railjournal.com].
Originally planned to link Mombasa and Nairobi, the decision was made to extend [venturesafrica.com]the line to the market town of Naivasha in 2015, and 75% of civil works have reportedly been completed [railjournal.com]. This first Mombasa-Nairobi stretch will be completed by June 2017, consulting firm CPCS told CNN.
It is hoped that the track will shorten the journey between the two cities from 12 hours to four hours. Passenger trains will travel at 120km/h, and freight trains will be able to carry 25 million tonnes per year, according to the International Railway Journal [railjournal.com].
Eventually, the East Africa Railway Masterplan will link Mombasa with other major east African cities such as Kampala, in Uganda, and Juba, in South Sudan.
...
The railway is being built by the state-owned China Road and Bridge Corporation (CRBC), 90% of the ongoing development of the Mombasa-Nairobi section is being financed by The Export-Import Bank of China.
China has been investing heavily in Africa [upenn.edu] over the last decade. Some have accused it of "neo-colonialism," of only trying to lock-in access to the continent's natural resources.