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Motorists to pay Sh8/km on China-backed Rironi-Mau Summit expressway

China-funded road is among Ruto’s flagship ventures to ease congestion

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by MOSES OGADA

News24 October 2025 - 07:10
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In Summary


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    A gridlock along the Rironi-Mau Summit road in December 2024.

    Motorists using the upcoming Rironi-Mau Summit expressway will pay a base toll rate of Sh8 per kilometre, disclosures by Kenya National Highways Authority show.

    This followed the selection of a Chinese-led consortium to build and operate the key highway under a 30-year concession.

    Works on the Sh180 billion project (could peak at Sh194 billion) to be constructed under the PPP arrangement are expected to kick off before January 2026, with a two-year completion period.

    KeNHA has recommended Standard Gauge Railway builder China Road and Bridge Corporation and National Social Security Fund consortium as the preferred bidder for the 175km project.

    The Nairobi-Nakuru-Mau Summit (A8) and the 58km Nairobi-Maai Mahiu-Naivasha (A8 South) highway are President William Ruto’s flagship ventures to ease congestion on the route.

    The toll rate, which will increase by one per cent annually, emerged as a crucial factor in the selection process.

    It undercut the competing bid from Shandong Hi-Speed Road and Bridge International Engineering Company  Limited which had proposed Sh10 per km, with a three per cent yearly escalation.

    The expressway will feature eight toll stations along its route, implementing an open tolling system where motorists pay for the distance travelled.

    It would also be fitted with 15 interchanges, eight footbridges, 25km of service lanes, eight wildlife crossings, 41 U-turns, 41 underpasses and 118 bus bays.

    The base Sh8 rate applies to passenger cars and 4WD vehicles starting from the first operational year in 2028.

    The annual one per cent adjustment is designed to account for inflation and exchange rate fluctuations.

    The government has, however, indicated that the charge may be subject to negotiation to ensure long-term affordability for users.

    “GoK should negotiate a competitive toll tariff as per the contracting authority’s stakeholder engagements findings,” the project tender brief reads.

    The project will be financed through a mix of 75 per cent debt and 25 per cent equity (in shillings), with the NSSF's participation marking significant local investment in the infrastructure.

    The consortium will bear the traffic and revenue risks, protecting taxpayers from potential revenue shortfalls.

    As per the brief, for their toll payments, motorists will benefit from reduced travel time along the congested corridor and dual four to six-lane carriageways with improved safety features.

    A 4.5km viaduct through Nakuru town to bypass urban congestion is also envisioned, as well as enhanced climbing lanes through challenging terrain and modern road safety measures, including improved drainage and lighting.

    The government has acknowledged that while the Sh8 rate is more affordable than the alternative, further public participation will be conducted to ascertain motorists' ability and willingness to pay.

    The Evaluation Committee has specifically recommended adopting pass-through mechanisms for foreign exchange and operational costs to reduce fiscal exposure and keep tolls manageable.

    The proposed rate positions the new expressway as a premium but accessible route compared to existing toll roads. Motorists pay about Sh22 per kilometre on the Nairobi Expressway.

    Before final negotiations begin, the consortium must provide detailed breakdowns of construction and maintenance costs.

    NSSF and CRBC are also expected to conduct comprehensive willingness-to-pay surveys and develop a stakeholder engagement plan to address motorists' concerns.

    The Evaluation Committee has requested a more realistic traffic forecast using three-four per cent growth rates instead of the conservative one per cent initially proposed, which could potentially lead to lower toll rates.

    The project, approved by the PPP Committee in its October 9 meeting, represents one of Kenya's largest road infrastructure initiatives.

    It is among ventures that China is executing under the Global Development Initiative proposed by Chinese President Xi Jinping in 2023, as an escalation of the Belt and Road Initiative.

    Kenya “highly appreciates and actively supports the GDI proposed by President Xi”, President Ruto said when he met the Chinese leader in April.

    The two sides also agreed to deepen cooperation in areas such as poverty reduction, food security, green development and the blue economy.

    It is expected to significantly alter transport economics along the Northern Corridor when construction begins in 2026.

    “KeNHA, the PPP Directorate and the PPP Committee have undertaken the necessary processes and procedures in line with the provisions of the PPP Act,” the brief reads.

    For Kenha, the project meets the public interest, public-private partnership suitability,  project feasibility and affordability criteria.

    Already, preparatory works have begun in earnest, with KeNHA indicating it has engaged over 3,000 Kenyans in 65 public participation forums.

    “The engagements have been with communities living along the road corridor, elected leaders, county governments, conservationists, NGOs, transporters and other interest groups such as Kepsa,” the authority said.

    Ruto has been eyeing the project, which cuts through Central, Rift Valley and a key connector to Western Kenya, to make a mark on his legacy.

     

    In April, he visited China and signed ventures worth Sh650 billion, the project kicking off at a critical time in the country’s electoral calendar, in the face of elections barely two years away.

    Ruto is in the second half of his term, with pundits arguing the progress of the works could make or break his reelection bid, with Nyanza and Western being key 2027 constituencies.

    Observers point out that if he duals the road, it could cement his infrastructure record and could outdo the combined legacy of his predecessors— Uhuru Kenyatta and Mwai Kibaki.

    The political scenes have been awash with concerns that the President, by building the road, stands to upset his critics who have labelled the venture as a campaign gimmick.

    “Everyone knows what the people of Western, Nyanza and parts of the Rift Valley have gone through because of that road. They should be able to commend this government for the effort we have put in,” Laikipia East MP and transport committee member Mwangi Kiunjuri, a Ruto ally, said.

    Completing the critical link, which is notorious for paralysing traffic gridlock, more so in the festive season, not only revives Kenya’s regional trade ambitions but also allows Ruto to claim victory.

    The road has also been prone to accidents, which have left hundreds dead in their wake.

    Beijing’s footprint in the country’s infrastructure landscape is well-established and Ruto’s administration appears to be leveraging this relationship to revive momentum.

    The Rironi-Mau Summit highway could mirror the transformative impact of projects like the Nairobi Expressway, another Chinese-backed venture that has eased congestion in Nairobi.

    Besides Rironi, the Kenya Kwanza administration is fast-tracking hundreds of road projects, most of which were unlocked after the fuel levy was securitised.

    They include major roads in Nairobi city, several others that had stalled over non-payment. Rural roads agency Kerra is also rolling out hundreds of projects across the country.

    INSTANT ANALYSIS

     

    With CRBC's proven track record from the SGR project and the NSSF's local financial stewardship, the Rironi-Mau Summit highway is poised to become not just another infrastructure project, but a defining achievement of the Ruto presidency, a tangible expression of the Bottom-Up Economic Transformation Agenda that connects communities, creates opportunities, and builds the Kenya of tomorrow.

     

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