A highway built for the 2014 Sochi Games has been dubbed the world 's most expensive road . The road links the coastal Winter Games site in Sochi with the alpine venues . Consultants from Italy , Spain and Switzerland created a 37-km flyover along with 30 kilometers of tunnels . There were 10 parts to the Russian Railways construction project in Sochi : two cargo terminals , updating the old Adler -Tuapse railway line , building four new stations Score: 7
A highway built for the 2014 Sochi Games has been dubbed the world 's most expensive road . The road links the coastal Winter Games site in Sochi with the alpine venues . Consultants from Italy , Spain and Switzerland created a 37-km flyover along with 30 kilometers of tunnels . Score: 7