Transport in South Korea roads and various classifications below the national level. Almost all freeways are toll highways and most of the expressways are built, maintained and operated by Korea Expressway Corporation (KEC). The freeway network serves most parts of South Korea. Tolls are collected using an electronic toll collection system. KEC also operates service amenities (dining and service facilities) en route. There are also several privately financed toll roads. Nonsan-Cheonan Expressway, Daegu-Busan Expressway, Incheon International Airport Expressway, Seoul-Chuncheon Expressway and parts of the Seoul Ring Expressway are wholly privately funded and operated BOT concessions. Donghae Expressway was built in cooperation between KEC and
Mongolians in South Korea Mongolians in South Korea Mongolians in South Korea form the world's largest population of Mongolian citizens abroad. By 2003, there were already 20,000 Mongolians working in South Korea, making their population larger than the combined total of Mongolian Americans, Mongolians in Japan, and Mongolians in Europe. Five years later, their population had grown by 65% to an estimated 33,000 individuals, or 1.2% of the entire Mongolian population. The government of South Korea estimates that one out of every two urban households in Mongolia has a family member working in South Korea. According to South Korean government figures, 40% are residing