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
Chaebol chaebol had become financially independent and secure, thereby eliminating the need for further government-sponsored credit and assistance. By the 1990s, South Korea was one of the largest newly industrialized countries and boasted a standard of living comparable to industrialized countries. President Kim Young-sam began to challenge the chaebol, but it was not until the 1997 Asian financial crisis that the weaknesses of the system were widely understood. Of the 30 largest chaebol, 11 collapsed between July 1997 and June 1999. Initially, the crisis was caused by a sharp drop in the value of the currency and aside from immediate cash