Major expressways across South Korea are expected to experience heavy traffic Monday, the fifth day of the extended Chuseok holiday, as many families headed home after visiting their hometowns. As of 9 a.m., the estimated travel time to Seoul from the southeastern port city of Busan was 4 hours and 30 minutes, 4 hours and 10 minutes from the southeastern city of Ulsan, and 3 hours and 20 minutes from the southwestern...