NAIROBI, 18 May 2026-Kenya woke up to empty roads on Monday morning.
From the Thika Superhighway to Mombasa Road, the transport corridors that normally hum with the movement of matatus, heavy trucks, and construction vehicles fell eerily quiet — not because of a public holiday, but because of the most sweeping coordinated industrial action the country’s transport sector has mounted in years.
The Transport Sector Alliance — a coalition spanning the Matatu Owners Association, the Truckers Association of Kenya, the Digital Taxi Association, boda boda federations, and cargo and freight operators — made good on its threat to ground all vehicles beginning midnight Sunday, 17 May 2026.
The trigger: a shock fuel price announcement by the Energy and Petroleum Regulatory Authority (EPRA) on 14 May that sent diesel prices surging by Ksh 46.29 per litre to a record Ksh 242.92 in Nairobi for the May–June pricing cycle.
For the construction industry — a sector whose entire operating model depends on the uninterrupted flow of diesel-powered trucks, excavators, concrete mixers, and site workers — the timing could hardly be worse.
With scores of infrastructure projects across Nairobi, Mombasa, Kisumu, Nakuru and Eldoret in active execution phases, CCE News examines what the strike means for Kenya’s building and infrastructure sector this week.
What Set the Strike in Motion
The immediate flashpoint is EPRA’s latest monthly fuel pricing review, effective 15 May to 14 June 2026.
Super Petrol rose by Ksh 16.65 per litre to Ksh 214.25, but it is the diesel figure — up Ksh 46.29 to Ksh 242.92 — that has galvanised construction and logistics operators.
Diesel, not petrol, is the fuel of Kenya’s building economy: it powers concrete mixers, dump trucks, excavators, cranes, generators, and the long-haul trucks that move cement, steel, aggregates and prefabricated components from factories to sites.
The Transport Alliance’s joint communiqué, issued Sunday evening after a high-level Nairobi meeting, confirmed that “all transport subsectors — covering passenger transport, cargo and logistics, ride-hailing, motorcycle transport, tourism transport, driving schools, school buses and private motorists — have resolved to stand together in one of the largest coordinated industrial actions in Kenya’s history.”
| “Diesel is an ascendant input in every production that we do in this country.” — Ndindi Nyoro, Former National Assembly Budget Committee Chairperson |
Former Budget Committee Chairperson Ndindi Nyoro has called for an immediate drawdown of Ksh 5 billion from Kenya’s Fuel Stabilisation Fund to cushion diesel prices, warning that diesel’s sharp increase creates ripple effects across every productive sector — a warning the construction industry will recognise immediately.
Five Ways the Strike Is Hitting Construction Sites Right Now
The construction sector’s exposure to this shutdown is direct and multifaceted. CCE News has identified five critical impact vectors for contractors, developers, and project managers monitoring the situation:
nstruction Workers Cannot Reach Sites
The most immediate construction impact is the simplest: if workers cannot get to site, nothing gets built.
Nairobi’s construction workforce is overwhelmingly transit-dependent, commuting daily to sites across the city and its peri-urban satellite corridors — Thika Road, Ngong Road, Kiambu Road, Waiyaki Way and Mombasa Road — the very arteries that ground to a halt on Monday morning.
A spot check by Capital FM across major Nairobi corridors found hundreds of stranded commuters on roadsides as public transport operators grounded vehicles.
Boda boda riders — some of the few mobile operators — were seen carrying double loads of commuters at improvised fares.
For a large infrastructure site that depends on 50, 100, or 200 labourers arriving punctually each morning to maintain concrete pour schedules and formwork operations, even a one-day disruption can cascade into multi-day programme slippage.
| “Transport and logistics costs could rise by between 10 and 20 per cent while food prices may increase by up to 7 per cent as businesses transfer rising costs to consumers.” — KNCCI President Dr Erick Rutto |
Materials Pipeline: Cement, Steel and Aggregates Under Pressure
Kenya’s construction materials supply chain is entirely road-dependent. Bamburi, Savanna, Simba, and Nyumba cement — the dominant brands on Kenyan sites — move from manufacturing plants concentrated around Nairobi outwards to projects across the country by truck.
Steel reinforcing bars fabricated in industrial areas are dispatched by flatbed lorry. Quarry stone, sand, and ballast move exclusively by tipper truck.
With the Truckers Association of Kenya explicitly named among Alliance signatories, the logistics pipeline for all three core material categories is threatened.
Industry analysis consistently shows that a 10% increase in cement prices raises reinforced concrete costs by 4% to 6%, depending on transport distance and mix specifications — but a delivery stoppage of even 48 to 72 hours can be far more disruptive than a price movement, particularly for projects mid-pour or nearing a structural milestone.
Cement factories located predominantly around Nairobi face a compounding problem: they cannot dispatch to regional sites when truckers are on strike, but they also face pressure from the same diesel price increases that triggered the shutdown.
The Cement Manufacturers Association of Kenya has previously noted that energy costs account for up to 30% of total production costs — a figure that moves in direct correlation with diesel prices.
• Diesel: Ksh 242.92/litre (up Ksh 46.29) — record high
• Kerosene: Ksh 152.78/litre (unchanged)
• New cycle effective: 15 May – 14 June 2026
• KNCCI warning: logistics costs may rise 10–20%; MSME margins squeezed 5–15%
Plant Operations: Diesel at Record Cost Even Without the Strike
Even for construction companies whose vehicles are not participating in the strike, the underlying economics have already shifted.
Diesel at Ksh 242.92 per litre — a record high — directly reprices every hour of operation for excavators, bulldozers, compactors, generators, concrete pump trucks, and mobile cranes. Projects costed at previous fuel levels are now structurally over budget before a single delivery is delayed.
The Kenya National Chamber of Commerce and Industry has warned that small and medium enterprises — which include the majority of Kenya’s active building contractors — face a margin squeeze of between 5% and 15% from the fuel price increase alone.
For contractors operating on tight fixed-price contracts, this is existential pressure.
Borehole drilling machine operators were explicitly listed in the Transport Alliance membership — a significant detail for construction projects in Nairobi’s peri-urban fringe and upcountry towns where borehole water supply forms part of site infrastructure setup.
Generator operators, critical to off-grid construction sites, are similarly affected.
Geographic Spread: Not Just Nairobi
A security advisory issued ahead of the strike warned of possible road blockages, traffic paralysis, delayed cargo movement and demonstrations near fuel stations, bus termini and government offices in Nairobi, Mombasa, Kisumu, Nakuru and Eldoret — all five of Kenya’s major construction markets.
Road and housing projects in Nakuru and Kisumu, port and logistics infrastructure works in Mombasa, and road rehabilitation schemes in Eldoret are all exposed.
The Mombasa corridor is particularly strategically significant: the port serves as the entry point for imported construction plant, spare parts, and bulk cement clinker.
Any disruption to haulage along the Northern Corridor — the A109 Nairobi–Mombasa highway — directly affects the ability to clear and distribute imported construction inputs to upcountry projects.
Government Response: Legal Action Filed, Dialogue Absent
The government’s official posture, as of Monday morning, has been law enforcement rather than dialogue.
The National Police Service spokesman Michael Muchiri confirmed enhanced security patrols and stated that the majority of transport stakeholders had distanced themselves from the strike — a claim the Alliance disputes, asserting 99% sector participation.
The United Transport Association of Kenya (UTAK) issued a statement distancing itself from the strike, offering the government a partial counter-narrative.
A separate legal challenge has been filed before the Constitutional and Human Rights Division of the High Court by petitioner Francis Awino, seeking urgent conservatory orders to suspend the EPRA price increases, arguing the move is unconstitutional, economically punitive and lacking in transparency.
The petition names EPRA, the Cabinet Secretaries for Treasury, Energy, and Trade as respondents.
Treasury CS John Mbadi has publicly warned that the fuel price surge could worsen economic pressure — a signal that even within government, the consensus on EPRA’s pricing decision is not uniform.
Meanwhile, the Alliance has called for the resignation of Energy CS Opiyo Wandayi and the disbandment of EPRA entirely.
| “The Alliance confirms that all transport subsectors — covering passenger transport, cargo and logistics — have resolved to stand together in one of the largest coordinated industrial actions in Kenya’s history.” — Transport Sector Alliance Joint Statement, 17 May 2026 |
What Happens Next: Scenarios for the Construction Sector
The duration of the strike’s impact on construction depends on how quickly — and on what terms — the standoff is resolved. CCE News outlines three realistic scenarios:
Even if transport resumes by midweek, contractors should anticipate a backlog of deferred deliveries — particularly for time-sensitive materials like ready-mix concrete, which cannot be stockpiled — and the permanent repricing of diesel-dependent operations for the remainder of the May–June EPRA cycle.
Immediate Actions for Construction Project Managers
CCE News recommends contractors and project managers take the following steps immediately:
- Conduct an immediate stockpile audit — identify critical materials at risk of depletion within 48–72 hours, prioritising cement, reinforcing steel and diesel fuel on site.
- Issue force majeure or disruption notices to contract administrators and clients if programme milestones are threatened — document the strike as an external disruption event from day one.
- Review subcontract agreements for fuel escalation clauses — the Ksh 46.29/litre diesel increase may trigger escalation provisions on supply-only contracts.
- Communicate with your labour force — confirm attendance arrangements, consider site-organised transport for critical specialist trades, and plan reduced-productivity scheduling if turnout falls below critical threshold.
- Monitor the High Court petition and government dialogue — a court injunction suspending EPRA prices, if granted, could rapidly change the strike calculus and restore supply chains faster than negotiation alone.
The Bigger Picture
Kenya’s construction sector was showing genuine signs of recovery heading into Q2 2026. Cement consumption had grown 27% year-on-year in January 2025, and Knight Frank had projected double-digit growth in both cement production and consumption in Q1 2025.
The sector had absorbed the headwinds of 2023–2024 — falling cement consumption, clinker import cost surges, and a tightening private sector — and was beginning to grow out of that downturn.
What the Transport Sector Alliance’s strike exposes is that Kenya’s construction recovery remains acutely vulnerable to fuel price shocks — not just in terms of direct operating costs, but in the cascading fragility of its road-only supply chains.
There is no railway alternative for aggregates delivery to a Nairobi housing site. There is no digital workaround for a concrete pour that cannot happen because the mixer truck cannot move.
The government’s response — or lack of it — in the coming 24 to 48 hours will determine whether this becomes a one-day disruption or the beginning of a more sustained crisis.
For project managers, quantity surveyors, and developers across Kenya, the message is clear: this week, the biggest risk on your critical path is not rebar shortages or foundation conditions. It is diesel.
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