道路 どうろ交通 こうつう情報 じょうほう通信 つうしんシステムであれば
dōrokōtsūjōhōtsūshinshisutemudeareba

Noun
Da Copula

The "-eba" 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 and communication system; If the road traffic information and communication system existed

Ba Conditional
Computing