The Kenya National Highways Authority (KeNHA) has provided seven alternative routes to ease traffic along the Rironi-Mau Summit (A8) road and Rironi-Mai Mahiu-Naivasha (AB South) road during the festive season.
The advisory comes after authorities observed a surge in traffic volumes along these key holiday corridors, which have historically been prone to congestion and accidents during peak travel periods.
In its travel advisory, KeNHA outlined the following detour options for motorists seeking to avoid delays.
The alternative routes include Thika-Magumu-Njabini-Olkalou-Dundori-Lanet-Nakuru road, Flyover-Njabini-Olkalou-Dundori-Lanet-Nakuru road, Naivasha-Njabini-Olkalou-Dundori-Lanet-Nakuru road, and Gilgil-Olkalou-Dundori-Lanet-Nakuru road.
Other options are Ngong-Suswa-Narok-Mau-Narok-Nakuru road, Nakuru-Kampi ya Moto-Eldama Ravine-Makutano road, and Nakuru-Njoro-Mau Summit road.
These routes are expected to provide motorists with more efficient alternatives and help distribute traffic more evenly across the network, according to the agency.
KeNHA emphasised that motorists should exercise caution while traveling along both the main corridors and the suggested detour routes.
“Motorists travelling along these corridors are advised to exercise caution and strictly observe lane discipline to ensure smooth traffic flow and to prevent congestion and accidents,” the notice reads.
The authority urged road users to adhere to traffic rules and maintain responsible conduct, stressing that cooperation from all motorists is critical to ensuring safe and timely journeys.
The road agency also reaffirmed its collaboration with the National Police Service to manage traffic along the major holiday routes.
Traffic officers have been deployed at key points to monitor road conditions, enforce speed limits, and assist motorists in navigating detours safely.
KeNHA noted that this partnership is part of broader efforts to enhance road safety during periods of high travel demand, particularly during festive seasons when holiday travel increases significantly.
The advisory comes amid a trend of increased travel activity as Kenyans return home for Christmas and New Year celebrations.
The government launched an ambitious plan to dual the busy Rironi–Mau Summit Road, a major section of the Northern Corridor linking Nairobi to the Rift Valley and western regions.
The project involves upgrading the existing two‑lane A8 highway into a four‑lane dual carriageway, with sections between Naivasha and Nakuru expanded further into six lanes to cope with heavy traffic volumes.
Construction work officially began in late November 2025, with completion targeted by June 2027.
President William Ruto, who launched the project, described it as a transformative infrastructure initiative that will ease chronic congestion, reduce travel times and improve road safety along one of the country’s most trafficked routes.
Once complete, the upgraded highway is expected to handle increased passenger and freight movements more efficiently, bolster regional trade, and strengthen economic linkages across Kenya and neighbouring states.
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