Traffic conditions or transportation situation (e.g. congestion, delays, or poor road conditions) that affect travel or commuting.
週末は交通事情が悪く、車での移動に時間がかかった。
Traffic conditions were bad on the weekend, and driving took a long time.
雪のために交通事情が混乱しているので、会議は延期になった。
Because traffic conditions are disrupted by snow, the meeting was postponed.
出発前に交通事情を調べておいたほうがいい。
It's better to check traffic conditions before you leave.