On the evaluation of TC transit between China and Europe could reach 15-18%.

According to preliminary estimates of the ministry of transport and communications of the Republic of Kazakhstan, cargo transportation in the direction of China - Europe by land routes through the countries of the Customs union may be 15-18%
In the course of the work of the VIII International conference "ТрансЕвразия-2011", held in Astana, the minister of transport and communications of the Republic of Kazakhstan Berik Kamaliyev said that in 2010 the volume of mutual trade of Kazakhstan and Russia increased by 27%, in Byelorussia - by 56%.
Since the beginning of work of the TC exports from Kazakhstan to Russia increased by 36%,the volume of foreign trade with the countries of the Customs union - by 28% (from 13%to $16.5 billion) and amounted to 18.5% of the total turnover of the RK.
B.Kamaliyev considers that, if you remove the obstacles at border crossings, the vehicle can make an enormous contribution to the establishment of efficient transport corridors that connect China with Europe. According to B. Kamaliyev on the railway route Urumqi (China) - Alashankou - Dostyk (Kazakhstan) - Moscow - Brest, only one customs inspection on the article. Dostyk, at minimal cost to interchange stations. He was also confident that the transport Dostyk corridor/Khorgos - Moscow - Brest will be very effective after the replacement of one part of the path.

source: http://www.instar.ru