Key messages

The true potential of economic corridors is realised when they are designed as multi-functional integrated energy-industry-transport systems. Access to reliable, affordable, and clean energy is a critical enabler for corridors to function as higher-value industrial platforms rather than simple channels for moving goods. This integration underpins investment confidence across the region. Decarbonisation is identified as a strategic opportunity for long-term economic development, as aligning infrastructure with climate goals can strengthen competitiveness and improve access to international finance.

Through the strategic co-location of industries such as cement, iron and steel, and minerals processing, African nations can achieve economies of scale and diminish logistical expenses. A specific example is the production of calcined clay, which can substitute clinker to reduce the CO2 intensity of cement by around 40 percent. This supports industrialisation, enables cleaner jobs, and lowers import dependence across the continent.

Economic corridors and the role of energy

Economic corridors are geographically defined networks of infrastructure, including roads, railways, and ports, designed to connect economic hubs and facilitate trade. They are essential for the timely and safe passage of people, goods, and capital within and across borders. These corridors support in-migration and access to public goods, sustaining the vitality of rural and remote regions. In this context, corridors comprise transport infrastructure, energy and logistics services, and a suite of industrial activities, including industrial hubs and Special Economic Zones (SEZs).

Energy availability acts as a primary catalyst for value creation. Access to reliable energy influences the location of industry sites and the nature of trade. Energy plays a critical enabling role in manufacturing, agro-processing, and minerals beneficiation. Inadequate or unreliable energy supply can hinder the potential of these corridors, diminish investor confidence, and limit opportunities for inclusive industrialisation. Reliable energy nodes, including power plants and transmission infrastructure, help reduce operating costs and improve corridor performance.

Economic corridors in Africa: Context

Several major economic corridors already exist in Africa. In East and Southern Africa, the Central Corridor facilitates trade across seven nations: Burundi, the Democratic Republic of Congo (DRC), Malawi, Rwanda, Tanzania, Uganda, and Zambia. The North-South Corridor spans 3,900 km from Durban, South Africa, to the copper belts of the DRC and Zambia. Other initiatives include the Djibouti-Ethiopia-South Sudan-Uganda (DESSU) Corridor and the Nacala Corridor, a US$ 2.7 billion rail and port project serving Southern Africa.

In West Africa, the Abidjan-Lagos Coastal Motorway Corridor connects Côte d’Ivoire to Nigeria and has attracted up to US$ 15.6 billion in investment. Regionally, the Trans-Sahara Highway links Algiers and Lagos, with a north-south backbone of approximately 4,500 km and a combined network of roughly 9,400 km. These corridors are crucial for boosting intra-African trade and promoting the African Continental Free Trade Area (AfCFTA), creating jobs and advancing development in rural areas.

Key transport and logistics considerations for corridor development

Transport is core to shaping corridor performance and emissions. While corridors are defined by physical roads and ports, their efficiency depends on the integration between transport and energy systems. Integration is often weak because investments have been planned in isolation, mode by mode, leading to cross-border bottlenecks and unreliable energy supplies. Decision makers have a timely opportunity to align corridor development with climate goals by scaling up renewable energy and advancing green industrial activity.

First-mile and last-mile logistics are critical, as poorly designed connections can account for up to 50% of total logistics costs. First-mile logistics determine if local producers and small enterprises can access markets, while last-mile integration into ports and distribution hubs determines trade efficiency. Designing these as multi-energy, multimodal, and digitally managed nodes will turn corridors into functioning economic systems rather than fragmented infrastructure.

Decarbonising economic corridors

Decarbonising corridors requires targeting emissions across transport, logistics, power, and industry. Strategic opportunities exist in prioritising shifts to rail and waterways and electrifying high-traffic nodes like ports and terminals. For industry, the focus should be on material and process shifts, such as clinker substitution in cement and low-carbon steel. Clean energy substitution, including renewables and hydrogen, is essential alongside shared infrastructure like grid connections.

Industrial symbiosis, which promotes shared energy, water, and land use, can significantly reduce emissions. African regions have the opportunity to leapfrog into a future-oriented green development model by building low-carbon, integrated industrial hubs. This involves building renewable energy generation to advance low-carbon industry growth and using digital infrastructure to enable green logistics and lower operating costs.

High-impact industrial opportunities for corridor development

More than 200 SEZs are operational across more than 40 African countries, though their performance has been uneven. Integrated iron and steel production offers opportunities for import substitution, as up to 70 percent of finished steel is currently imported. Steel demand is growing at about 4 to 6 percent annually. Policymakers can anchor steel production near mines and ports using electric arc furnaces and renewable power.

Cement production accounts for 8 percent of global CO2 emissions, and up to 25 percent in countries like Ethiopia. Substituting clinker with calcined clay can reduce the CO2 intensity of cement by around 40 percent. Furthermore, reframing raw material development to integrate processing and manufacturing within Africa allows corridors to move beyond their role as conduits for primary commodities to becoming platforms for local value creation and job generation.

Policy recommendations

African economic corridors should be reframed around energy, transport, and logistics rather than being planned solely as transport routes. This integrated approach supports local processing and manufacturing. Priority should be given to upgrading and integrating existing infrastructure, addressing missing links and bottlenecks that limit performance. Stronger governance and clear regulatory systems are needed to ensure transparency and better coordination across sectors and borders. Finally, development should invest in skills and workforce development to ensure local communities and workers maximise economic gains from these industrial opportunities.