Before revision: The future of trans-Saharan trade The African Union and African Development Bank support the Trans-Sahara Highway from Algiers to Lagos via Tamanrasset which aims to stimulate trans-Saharan trade .
After revision: The future of trans-Saharan trade The African Union and African Development Bank support the Trans-Sahara Highway from Algiers to Lagos via Tamanrasset , to stimulate economic development, and the latter noted an increase in traffic at the border with Chad due to exports to Algeria crossing Niger .