立体 りったい道路 どうろ制度 せいどじゃなかったです
rittaidōroseidojanakattadesu

Noun
Desu Copula

The polite, past negative form of 立体道路制度

1. It wasn't a three-dimensional road system.; It wasn't a system of elevated roadways.

Past/Perfective
Negative
Polite
Casual Register