Transportation facilities or means — systems and services for moving people or goods (buses, trains, airplanes, ships, etc.).
台風で交通機関が全て停止した。
All transportation services were suspended because of the typhoon.
空港へのアクセスは公共の交通機関を利用するのが便利だ。
It's convenient to use public transportation to get to the airport.
朝の交通機関は通勤客で混雑する。
Morning transit is crowded with commuters.
観光地では交通機関の時刻を事前に調べておくと安心だ。
At tourist spots, it's wise to check transportation schedules in advance.