Street signs, directions, information signs, etc. are routinely only in Polish, as are schedules and announcements at train and bus stations (airports and a few major train stations seem to be an exception to this).
Zivame kuphela ngesiPolish, njengoba kunamashejuli nezimemezelo eziteshini zezitimela nezamabhasi (isikhumulo sezindiza kanye neziteshi ezimbalwa ezinkulu zesitimela kubukeka kungafani nalokhu).