Simplify the following text for a Grade 10 native English-speaking person.
Original: ; U6 ( North ) : Upgrade of FrÃ ttmaning station The new Allianz Arena ( football stadium ) required a larger capacity of the nearby U-Bahn station .
Simplified: ; U6 ( North ) : Upgrade of FrÃ ttmaning Station Because of the new Allianz Arena ( soccer stadium ) the nearby U-Bahn station needed to be upgraded .