せん進行 しんこう方向 ほうこうじゃありませんでした
senshinkōhō kōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 線進行方向

1. Was not the line's direction.; It wasn't going that way.

Past/Perfective
Negative
Polite
Terminal Form
Computing