高齢 こうれい運転 うんてん しゃ標識 ひょうしきだったら
kōreiuntenshahyōshikidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 高齢運転者標識

1. If/when it were a senior driver sign; If/when it was a senior driver sign

Tara Conditional