With millions hitting the road again after holding family gatherings for Chuseok, bumper-to-bumper traffic is expected to persist on major highways.
According to Korea Expressway Corporation, it would take around 6 hours to travel from Busan to Seoul.
Estimated travel time from Ulsan to the capital: 5 hours and 40 minutes.
If you're departing from Gwangju, expect a road trip of slightly over 5 hours,and around 5 hours behind the wheel from Daegu.
More than 5.2 million vehicles will be traveling Tuesday.
Congestion on highways and roads should have peaked at between 3 and 4 p.m.
This year's Chuseok falls on Tuesday.
The holiday runs through Wednesday.
During this time, Koreans travel to hometowns for family get-togethers and to visit ancestral graves.