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
Marriage in South Korea were retained by their mother and her family. Marriage in South Korea Marriage in South Korea mirrors many of the practices and expectations of marriages in familiar to other societies, and as such, is constantly changing. Marriage in South Korea is currently restricted to unions between individuals of the opposite sex as same-sex marriages remain unrecognized. Males over 18 and females over 16 years old may marry with their parents' or guardians' consent, Otherwise South Korea's age of consent to marriage is 20. 20 years of age is also the age of consent for sexual activity. These age limits refer