For general information & general knowledge, China has adopted an easy way to expand its highway & railway network throughout the Chinese mainland. Highway & Railway lines are being constructed side by side. 1st from left is Down 4 lane Flank, then followed 4 Railway Lines & finally again the Up 4 lane Flank. By this way China is cutting its cost in constructing High speed Transportation routes. Source:- South China Morning Post, Hong Kong Times. The news also shown in WION channel yesterday. China follows Keep Right policy in their Transportation.