The K-pop group will perform Saturday and Sunday in East Rutherford.
NJ TRANSIT says its trains can only carry up to 7,500 customers an hour.
“In advance of the events, customers are strongly advised to check the times of final train connections in Secaucus,” the company posted on its website.
Last month, WrestleMania fans waited in the rain for hours for trains from the stadium.
For more information from NJ TRANSIT, click here.