1The checking of train or event tickets, especially at a station; nowadays usually done automatically by ticket gates.
駅員がホームで切符の改札を行っていた。
A station attendant was checking tickets on the platform.
ここでは自動改札で入場を確認しています。
Entry here is verified by an automatic ticket gate.
昔は駅員が一人ずつ切符を改札していた。
In the old days, station staff used to check tickets one by one.
2The gate area at a station entrance/exit where tickets or IC cards are checked; short for 改札口.
改札を出たところで友達が待っていた。
My friend was waiting right outside the ticket gate.
改札にタッチしてホームへ向かった。
I tapped my card at the gate and headed to the platform.
ラッシュ時は改札の前に長い列ができる。
During rush hour, a long line forms in front of the ticket gates.