Africa’s Connective Tissue: How Trade and Airlines Are Making Borders Matter Less

By Des H Rikhotso

Stand at Kazungula, where the Chobe River meets the Zambezi, and you are as close to four sovereign nations simultaneously as it is possible to be on this continent.

Botswana, Namibia, Zambia, and Zimbabwe converge at this near-quadripoint in a tangle of waterways and wildlife corridors, linked now by the 923-meter (3,028-foot) Kazungula Bridge connecting Zambia and Botswana across one of Africa’s great rivers. For much of the postcolonial era, this was a place defined by separation – by customs posts, by paperwork, by the friction of borders drawn by distant hands.

It is becoming something rather different.

Across Southern and East Africa, a series of infrastructure, trade, and aviation initiatives are advancing in ways that, taken individually, might seem like incremental policy news. Taken together, they suggest a continent growing more serious about the hard, unglamorous work of integration – the kind that doesn’t make headlines but determines whether an economy can actually function at scale.

The Kazungula region, home to more than 150,000 people and gateway to towns including Kasane, Livingstone, Katima Mulilo, and Victoria Falls, is no longer merely a scenic curiosity – it is a strategic artery.

Dar es Salaam’s Quiet Revolution in Cargo

Consider first what is happening at Tanzania’s Port of Dar es Salaam. After years of chronic congestion, late arrivals, and cargo that languished for weeks in customs limbo, the port has undergone a substantive transformation.

Upgraded physical infrastructure, digitized customs processing, and overhauled logistics systems have measurably reduced turnaround times and lifted trade volumes. For landlocked neighbors – Zambia, Rwanda, and the Democratic Republic of Congo in particular – this is not an abstract improvement.

These countries have no coastline of their own; their access to global markets depends almost entirely on the efficiency of someone else’s port. A faster, more reliable Dar es Salaam is, for them, the difference between competitive export pricing and structural disadvantage.

The broader implications are already being felt. International shipping lines are returning with greater frequency. Regional businesses that had diversified their logistics toward ports in Mozambique and South Africa out of frustration are reconsidering their routing.

Government revenues in Tanzania are rising as trade volumes increase – a virtuous cycle that, if sustained, could do more for regional prosperity than many years of summit communiqués. The caveat, of course, is that road and rail connections between the port and its hinterland remain inadequate. A world-class port linked to a third-rate highway network is a partially realized opportunity at best.

Keeping The Value at Home: The Tanga Refinery Gambit

The appetite for larger regional cooperation is visible elsewhere. Speaking at the Kenya Mining Investment Conference and Expo in Nairobi on April 23, Kenyan President William Ruto announced that Kenya, Uganda, Tanzania, and South Sudan have agreed to pursue a joint oil refinery at the port of Tanga in Tanzania.

The logic is straightforward: East Africa has hydrocarbon resources and a growing regional energy demand, yet it continues to export crude oil abroad for refining and then import refined products at a premium. A shared refinery would capture more of that value domestically and reduce the foreign-exchange cost of fuel imports that burdens every country in the bloc.

Such projects have a mixed record on the continent – grand announcements followed by years of negotiation, funding shortfalls, and the quiet shelving of ambition. But the regional political alignment here is notable.

A four-country agreement on shared refining capacity represents precisely the kind of pooled sovereignty over strategic infrastructure that has eluded African economic blocs for decades. Whether Tanga becomes a symbol of what is possible, or of what was promised, will depend on whether the political will that produced the announcement survives the engineering, financing, and governance challenges that follow.

A four-country agreement on shared refining capacity represents precisely the kind of pooled sovereignty over strategic infrastructure that has eluded African economic blocs for decades.

Two Small Nations, One Airline – A Fresh Start for Namibia

In the southwestern corner of the continent, Botswana and Namibia are pursuing a quieter but symbolically rich form of integration: a joint national airline. Announced formally by Botswana’s Ministry of Transport and Infrastructure and first unveiled during the Bi-National Commission held in Namibia in 2025 – with President Netumbo Nandi-Ndaitwah of Namibia and President Duma Gideon Boko of Botswana both present – the proposed carrier would connect the two capitals, Windhoek and Gaborone, while opening onward routes across the continent and beyond.

The bilateral logic is sound: neither country alone generates sufficient passenger volumes to sustain a full-service international carrier on competitive economics, but together they represent a viable base of demand.

Simultaneously, Namibia is pursuing its own standalone ambition: the launch of Namibia Air by the end of 2026. This venture is emphatically not a resurrection of Air Namibia, the national carrier liquidated in 2021 under a crushing burden of debt exacerbated by the pandemic.

The Namibian government is approaching the new entity with studied caution, evaluating multiple operational models and international partnership structures. Ethiopian Airlines – the continent’s most commercially successful carrier and a frequent partner in African aviation development – has been identified as one potential collaborator.

Previous overtures to South African Airways and Emirates came to nothing; this time, Windhoek appears determined to proceed on terms that are financially sustainable from the outset.

The aviation dimension of African integration is frequently underestimated. Intra-African air connectivity remains, by global standards, remarkably thin.

Traveling between many African capitals still requires a connection through Dubai, Istanbul, or Paris – a geographic absurdity that imposes costs on business travel, tourism, and the movement of high-value freight. Every new direct route between African cities is, in a modest but real sense, a strike against that inherited inefficiency.

Borders As Corridors: The Logic Binding it All Together

What connects these developments – a modernized port in Tanzania, a proposed refinery in Tanga, a joint airline between Botswana and Namibia, a bridge over the Zambezi at Kazungula – is not a coordinated master plan. Africa rarely works that way. What connects them is a shared recognition, spreading across governments and development agencies, that the continent’s economic geography is its greatest structural liability and that physical and institutional connectivity is the only serious remedy.

The Kazungula region, home to more than 150,000 people and gateway to towns including Kasane, Livingstone, Katima Mulilo, and Victoria Falls, is no longer merely a scenic curiosity – it is a strategic artery. The Zambezi, flowing 2,574 kilometers (1,600 miles) from the highlands of Zambia to the Indian Ocean, has long served as a natural boundary. Infrastructure like the Kazungula Bridge is transforming it, slowly, into a corridor instead.

Africa’s integration story is not linear, and it is rarely fast. Institutional fragmentation, political risk, currency instability, and the fiscal constraints facing many governments ensure that ambition and execution frequently diverge.

But the trajectory visible across Southern and East Africa today is more encouraging than it has been in some time. Borders, it turns out, can be redesigned – not erased, but rendered less consequential by the patient accumulation of bridges, ports, runways, and agreements.

That is, ultimately, what development looks like when it is working.

Des H Rikhotso is a seasoned C-Suite Multi-Industry (Automotive – OEM + Retail, Logistics, Oil & Gas, etc) business executive with 25+ years of Business Leadership Experience across the South, East and Western Sub-Sahara Africa Region. Based in Kampala, Uganda he serves as East Africa Region Country Director and Business Executive, driving Business Strategic Growth and Operational Excellence – contributing his Business Leadership Experience to the Region. Des has held Business Leadership roles at BMW Group Africa, Volkswagen Group Africa, Peugeot Motors South Africa, Toyota/Lexus South Africa, Lexus East Rand (Unitrans/CFAO), Nissan Group of Africa, G.U.D Holdings (Africa Exports Operations Division),The HDR Group of Companies and The Ezra Group of Companies (a Leading Uganda & East Africa Conglomerate). He holds Under-Graduate and Post-Graduate business degrees from the University of the Western Cape, Wits University (Wits Business School) and the University of South Africa.