道路 どうろ交通 こうつう情報 じょうほう通信 つうしんシステムだったら
dōrokōtsūjōhōtsūshinshisutemudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 道路交通情報通信システム

1. If it were a road traffic information communication system; If the road traffic information communication system were

Tara Conditional
Computing