間違 まちがえたそうだ
norimachigaeta sōda

Ichidan Verb
Evidential Auxiliary

Expresses hearsay about a past event ("I heard that...") of 乗り間違える

1. Took the wrong [train/bus/etc.]; It seems [someone] took the wrong [train/bus/etc.]

Past/Perfective
Hearsay Evidence