This is part of the Trans-African Highway, which comprises a network of road projects.
The project is aimed at curtailing the number of accidents along the dangerous spot.
The project will be completed in two years at a cost of Sh2.3 billion.
The project is expected to gift Tanzania with its first high-speed railway.
World Kaihatsu Kogyo is finalising work on phase one of the Ngong Road dualling project.
Nairobi has discarded the Dar es Salaam model that has been found wanting.
The project has faced numerous challenges including hiccups in relocating utility lines.
The project is divided into two phases: Mombasa-Nairobi SGR, and Nairobi-Malaba SGR.
Some of the key events that shaped East Africa’s first standard gauge railway.
Africa is undertaking key projects to support its rising population.