This is the 1559th most frequent Polish word.
drogowego
"Of the road" or "related to traffic/road."
Here, 'drogowego' (road) is used as an adjective to describe something related to roads or traffic in the compound term 'system bezpieczeństwa drogowego' (road safety system).
Znaki drogowe są ważnym elementem systemu bezpieczeństwa drogowego.
Traffic signs are an important element of the road safety system.
In this sentence, 'drogowej' (road) modifies 'infrastruktury' (infrastructure), emphasizing its connection to road systems.
Zaplanowano remont infrastruktury drogowej w naszym mieście.
A renovation of road infrastructure is planned in our city.
Here, 'drogowego' (road) describes the type of equipment ('sprzęt drogowy') relevant for use in road construction or maintenance.