Average International rail line construction cost @ US $3.50...

Average International rail line construction cost @ US $3.50 m/km. (http://www.chinaafricarealstory.com/2010/08/real-cost-of-chinese-railway.html)

Ibelieve, the closest point to point distance between Manono to railway line is atKitanda, about 135KM. Let’s say 200KM worst case & you’ll be looking at US$700M to build a rail line.  

Dr_Manhattan did some detailed analysis on “The Road to Manono” thread – check it out.!