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
Owned-and-operated television stations in the United States of the major broadcast networks; in that case W41BN is now WRGX-LD, the market's NBC affiliate under the ownership of Gray Television. Several other translator stations have been taken off-the-air completely as TBN's distribution has become concentrated on pay television and IPTV distribution, due to the prohibitive costs of upgrading the entire network's translator system to digital. Owned-and-operated television stations in the United States In the United States, owned-and-operated television stations (frequently abbreviated as "O&Os") constitute only a portion of their parent television networks' station bodies, due to ownership limits imposed by the Federal Communications Commission (FCC). Currently, the total