Mammoth rail network to put West African economies on the right track

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(CNN)When it comes to minerals found in our phones, laptops, cars and planes, most are found in the resource-rich mines of West Africa.

Mineral exports are a major economic driver of nations such as Nigeria, Burkina Faso and Niger, and are predicted to rise from 109,000 tonnes a year to 3.4 million tonnes a year by 2030.
This dizzying development needs infrastructure to match, with reliable transport which can shift commodities from the sites where they are unearthed, to major ports from where they could be exported.