The tunnels are many , the steel bridges are myriad and concrete support structures , which hold the transport arteries in the air , creep up the snow-capped slopes like a giant , monolithic ivy . A highway built for the 2014 Sochi Olympics has been dubbed the world 's most expensive road . The road connects the coastal Winter Games site in Sochi with the alpine venues . Consultants from Germany , Spain and Switzerland created a 37-km flyover along with 30 kilometers of road . ` ` Our infrastructure will be in demand [ for a long time ] , '' Oleg Toni , Russian Railways vice president told CNN .
A highway built for the 2014 Sochi Olympics has been dubbed the world 's most expensive road . The road connects the coastal Winter Games site in Sochi with the alpine venues . Consultants from Germany , Spain and Switzerland created a 37-km flyover along with 30 kilometers of road . ` ` Our infrastructure will be in demand [ for a long time ] , '' Oleg Toni , Russian Railways vice president told CNN .