歩行 ほこう しゃ優先 ゆうせんでしょう
ho kōshayūsendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 歩行者優先

1. Probably pedestrians have priority.; Pedestrians likely have right of way.

Polite
Presumptive
Conjecture