Tanzania and Angola forge trans-African rail link from ocean to ocean
Tanzanian President Samia Suluhu Hassan
A near 4,000-kilometre railway corridor connecting the Indian Ocean to the Atlantic through the heart of Africa’s mineral belt promises to redraw the continent’s trade map — if the financing, political will and engineering can match the ambition
By James Mwangi
Tanzania and Angola have agreed to build a transcontinental railway corridor linking the Port of Dar es Salaam on the Indian Ocean to the Port of Lobito on the Atlantic, traversing Zambia and the Democratic Republic of Congo in what would become one of the most ambitious infrastructure projects in African history.
Tanzanian President Samia Suluhu Hassan announced the agreement, framing it as a defining moment for continental integration. The proposed corridor would stretch nearly 4,000 kilometres across Southern and Central Africa, threading together existing rail networks — Angola’s Benguela Railway in the west and the Tanzania-Zambia Railway Authority line in the east — with new greenfield segments through Zambia and the DRC to close the gaps that have kept the two ocean-facing systems disconnected for decades. When complete, a single freight consignment could theoretically cross the African continent by rail without ever touching a road or rounding the Cape of Good Hope.
The ambition is extraordinary. So is the complexity. But the political and economic logic driving the project is compelling enough that four nations, multiple international financiers and some of the world’s largest mining operators are now paying close attention.
At the heart of the corridor lies the Central African Copperbelt, the mineral-dense arc spanning southern DRC and northern Zambia that holds some of the planet’s richest deposits of copper, battery-grade cobalt and nickel — the very materials that global clean energy supply chains are scrambling to secure. At present, moving those minerals to export markets is expensive, slow and heavily dependent on road transport across borders that were not designed for the volumes now being demanded of them. A transcontinental rail spine would give mining operators something they currently lack: genuine optionality. Copper from Zambia could move west to Lobito for onward shipment to Europe and the Americas, or east to Dar es Salaam for dispatch to Asian manufacturing hubs, depending on where prices and demand dictate. That flexibility has significant commercial value, and it is one reason why international interest in the project extends well beyond the four countries directly involved.
The western anchor of the corridor, the Lobito Corridor, has already attracted substantial Western backing. The Partnership for Global Infrastructure and Investment — a framework backed by the United States and the European Union — has committed significant financing to the Angolan segment, driven by a strategic calculation that securing reliable rail access to Copperbelt minerals is essential for energy transition supply chains. Washington and Brussels are acutely aware that cobalt and copper from this region will be indispensable for electric vehicle batteries and renewable energy infrastructure, and that whoever controls the logistics of extraction and export will carry considerable geopolitical leverage in the decades ahead.
The eastern leg tells a different story, one shaped by Cold War-era solidarity rather than twenty-first century supply chain strategy. The TAZARA railway — the 1,860-kilometre line connecting Dar es Salaam to Kapiri Mposhi in Zambia — was built by China in the 1970s as a gesture of support for frontline states resisting apartheid South Africa. It has struggled with underinvestment and operational difficulties for much of its existence, but it remains the eastern backbone of the proposed corridor. China continues to invest in regional rail infrastructure across East Africa, including the Standard Gauge Railway networks in Kenya, Ethiopia and Tanzania itself, and its interest in the TAZARA’s rehabilitation and integration into a broader transcontinental system is understood to be active.
That dynamic — Western money flowing into the Lobito end, Chinese infrastructure legacy anchoring the Dar es Salaam end — makes the Tanzania-Angola corridor one of the more geopolitically layered infrastructure projects on the continent. African nations are, by design, positioning themselves to benefit from the competition rather than be subordinated to either bloc. The involvement of four sovereign states in the governance of the corridor gives the project a regional character that no single external partner can easily dominate.
The energy dimension adds another layer. Alongside the railway agreement, Angola has invited Tanzania to invest in its Lobito Oil Refinery project, with the Tanzania Petroleum Development Corporation evaluating an equity stake. The rail corridor, once operational, would serve as a distribution vector for refined petroleum products moving from Angola into Central and East African markets — transforming the railway from a mineral export route into a multi-commodity economic artery.
The engineering and financial challenges are formidable and should not be understated. The existing Benguela and TAZARA lines both use narrow gauge track — 1,067 millimetres — while Tanzania’s newer Standard Gauge Railway is built to the international 1,435-millimetre standard. Bridging those two systems will require either dual-gauge solutions, standardised rolling stock capable of handling the transition, or transshipment terminals at gauge-change points. Each option carries cost and operational implications that will need to be resolved before the corridor can function as a seamless whole rather than a patchwork of connected but incompatible segments.
Cross-border harmonisation presents an equally demanding challenge. Customs clearance, transit tariffs, border management protocols and security arrangements will need to be aligned across four distinct national jurisdictions with different regulatory traditions, bureaucratic cultures and political priorities. The history of African regional integration is littered with corridors that looked compelling on paper and stalled at the border post. Avoiding that fate will require sustained political commitment from all four governments, active support from the African Union and regional economic bodies, and financing structures that give each country a clear stake in keeping the whole system moving.
Capital mobilisation is the third constraint. Constructing missing greenfield links, rehabilitating deteriorating sections of TAZARA and upgrading the Copperbelt connections will require a scale of coordinated investment that no single government or development bank can provide alone. Public budgets, multilateral development finance and private sector concessions will all need to be assembled into a coherent package — a process that, on projects of this complexity, typically takes years.
None of those challenges invalidates the vision. The transcontinental corridor represents exactly the kind of African-led, African-designed infrastructure initiative that the continent’s development economists have argued for decades is essential to reducing the structural dependence on extractive, export-oriented logistics built to serve external markets rather than internal ones. Landlocked Zambia and the eastern DRC stand to gain enormously from genuine access to two oceans. Agricultural producers, manufacturers and small traders across the corridor countries would benefit from lower transport costs and faster transit times. The project, if delivered, would be transformative.
The agreement between Tanzania and Angola has made the corridor real in a way that earlier proposals never quite managed. The financing is being assembled, the political will is visible and the strategic interest of global powers has injected urgency into a project that might otherwise have remained a planning document. Whether the execution matches the declaration will determine whether this becomes Africa’s most important railway or its most instructive cautionary tale.
The tracks are not yet laid. But for the first time in a long time, there is a credible plan to lay them.
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