 In 2008, a railway was proposed that would link Nouakchott with Tiguint, Mederdra, R'Kiz, Leguatt, Leeleibatt, Menjem Boffal, Kaedi, and Bofal.Sudan's Danfodio Holding and China's Transtech Engineering have signed an agreement to build a 460 million euro ($634 million) railway linking Mauritania's capital Nouakchott with southern phosphate deposits at Bofal.The line would run close to the southern frontier with Senegal.