اتحاد المغرب العربي
The Cairo–Dakar Highway or TAH 1 is Trans-African Highway 1 in the transcontinental road network being developed by the United Nations Economic Commission for Africa (UNECA), the African Development Bank (ADB), and the African Union. The major part of the highway between Tripoli and Nouakchott has been constructed under a project of the Arab Maghreb Union.