Yes. Although it's a fictionalized account, it draws on real elements. The idea of a sudden and deadly threat spreading quickly, like in the movie, can be related to real - world disasters or epidemics where people are in a race against time to survive. In the movie, the train becomes a microcosm of society, with different types of people reacting in different ways, which also reflects real human behavior in times of crisis.
Yes. 'Train to Busan' has roots in real - story concepts. The movie uses the train as a setting to intensify the horror. Trains are a common mode of transportation, and the thought of a disaster happening on one is quite scary. It shows how ordinary people, like the passengers in the movie, have to deal with extraordinary and life - threatening situations, much like what could potentially happen in real - life emergency scenarios.