Which of the following accommodation codes is used for unreserved train seating?

The code used for unreserved train seating is JU. This code indicates that there is no prior reservation required and passengers can board the train as long as there is available seating. Unreserved seating is common in certain travel classes and regions, allowing for flexibility and spontaneity in travel plans, as passengers do not need to secure a seat in advance.

This differentiates it from other accommodation codes, which may correspond to reserved seating or different service types. Understanding these codes is essential for navigating the ticketing and boarding processes effectively and ensuring an efficient travel experience.