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
Multicultural family in South Korea marriage families who come to Korea after growing in one of their parents country in adolescence. In other words, Immigrant youth is school age teenagers who have foreign nationality, and children who settle down to Korea in the middle of growing in their mother country. They are different with children of multicultural family who have Korean nationality, and who learn and use Korean language since birth in aspects of nationality. In perspective of law of multicultural family, immigrant youth is just ‘foreigner’, so that immigrant youth cannot be subject to the law about multicultural family. The number of children of