事故 じこ渋滞 じゅうたいではありませんでした
jikojūtaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 事故渋滞

1. It was not accident-related congestion.; It was not due to an accidental traffic jam.

Past/Perfective
Negative
Polite
Formal Register