ConstructAfrica presents... Megaprojects Nigeria, a 15-part series on construction feats, challenges and social impact in Africa. With the colonial-era narrow gauge rail service in Nigeria falling into disrepair and outdated, the Nigerian government awarded a $8.3 billion contract to the China Civil Engineering Construction Corporation, in 2006, to construct a standard gauge railway from Lagos to Kano. Due to an inability to secure funding for the whole project, the Nigerian government decided to build the standard gauge line in segments. The Lagos to Ibadan is segment 2 of 6...