Interior Principal Secretary Raymond Omollo has confirmed that a section of the Rironi Mau Summit Road will be completed within the next month.
Speaking on Tuesday, the PS said the 81-kilometre Rironi–Gilgil stretch, overseen by the Kenya National Highways Authority (KeNHA), is expected to be ready by mid-2026.
Omollo added that the Rironi–Naivasha–Gilgil (A8) and Rironi–Maai Mahiu–Naivasha (A8 South) roads, key branches of Kenya’s Northern Corridor, will be completed by April 2027.
The two routes link Nairobi to Nakuru and onward to Western Kenya, serving as vital transport arteries for the Rift Valley.
Launched by President William Ruto in November 2025, the project involves upgrading the corridors into four- to six-lane dual carriageways.
The design incorporates modern engineering standards, improved traffic management, and enhanced road safety measures.
The highway is expected to stimulate regional economic growth, particularly in agriculture, by facilitating faster movement of produce to Nairobi and other markets.
It will also ease cargo transport to neighbouring countries, including Uganda, Rwanda, and the Democratic Republic of Congo.
During construction, the project has created thousands of direct and indirect jobs while using locally sourced materials such as sand, gravel, and cement.
The Mau Summit highway expansion, estimated at KSh 170 billion, is being implemented under a Public-Private Partnership (PPP) model. Private investors will finance, build, operate, and maintain the road alongside government oversight.
The completed highway, expected by 2028, will feature interchanges, dedicated truck lanes, pedestrian bridges, and intelligent transportation technology to ensure efficient and safe travel.
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