Institut Geographique National, DCWDjibouti Roads. Roads were digitized from Topographic maps at a scale of 1:100,000 issued by the Institut Geographique National, Rue de grenelle-Paris, 1956-1961. A few arcs were obtained from the DCW, whenever they were missing on the Topomaps.djibouti-roadsHumanitarian Data ExchangePublicDjibouti - RoadsDatasetsDjibouti2001-05-01