 Roadway obstructions and hazards caused by drifting sand, animals, and poor roads often plague motorists.The Cairo-Dakar Highway in the Trans-African Highway network passes through Mauritania, linking Nouakchott to Rabat, Tangiers, Algiers, and Tripoli.The section between the capital Nouakchott and the port of Nouadhibou was paved by 2018; only a few kilometres remain unpaved at the Moroccan border .