踏切 ふみきり支障 ししょう報知 ほうち装置 そうちではありません
fumikirishishōhōchisōchidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 踏切支障報知装置

1. It is not a stepping-cut obstacle notification device.

Negative
Polite
Formal Register