NAIROBI, KENYA — The ongoing expansion of the 233-kilometre Rironi–Mau Summit Road is set to transform one of Kenya’s busiest and most accident-prone transport corridors into a modern, safer and more efficient highway.
The project, being supervised by the Kenya National Highways Authority (KeNHA), is targeted for completion by June 2027 and is being implemented from both ends of the corridor to accelerate construction.
Under the expansion plan, the Rironi–Naivasha section will be upgraded to a four-lane dual carriageway, while the Naivasha–Nakuru section will become a six-lane highway.
An elevated bypass through Nakuru is also being developed to help ease traffic congestion within the city and improve the movement of vehicles along the busy corridor.
From Nakuru to Mau Summit, the highway will be expanded to four lanes, while the 62-kilometre Rironi–Mai Mahiu–Naivasha Escarpment Road will undergo resurfacing.
The road project is expected to improve road safety, reduce travel and transit times and strengthen trade along a corridor that carries more than 30 per cent of cargo destined for Western Kenya, Uganda, Rwanda, South Sudan and the Democratic Republic of Congo (DRC).
The expansion is also expected to improve access to markets and essential services while strengthening connectivity between communities and economic centres across the country.
For motorists, traders and communities along the route, the upgrade is expected to provide safer and more reliable movement while supporting regional commerce and economic activity.
Prime Africa News understands that improved road infrastructure remains critical to connecting previously marginalised areas to markets, services and wider economic opportunities.
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