This is the 1987th most frequent Polish word.
drogowym
Relating to roads or traffic.
The phrase 'korku drogowym' means a traffic jam. Here, 'drogowym' describes something relating to roads or traffic.
Znaleźliśmy się w korku drogowym.
We found ourselves in a traffic jam.
The word 'drogowych' is the plural genitive form of 'drogowy', used here to describe laws relating to roads or traffic.
Piesi muszą przestrzegać przepisów drogowych.
Pedestrians must follow traffic regulations.
'Drogowy' as an adjective is used here to describe an accident (which is related to the road).