This is the 11485th most frequent Polish word.
jednojezdniowa
"Jednojezdniowa" means "single carriageway."
Here, 'jednojezdniowych' is in its plural form, modifying the plural noun 'dróg' to describe their type.
Projekt przewiduje budowę kilku nowych dróg jednojezdniowych.
The project includes the construction of several new one-lane roads.
In this example, 'jednojezdniowa' functions as an adjective to describe the highway, emphasizing the characteristic of having a single lane.
Nie wiedziałem, że ta autostrada będzie jednojezdniowa.
I didn't know that this highway would be one-lane.
In this sentence, 'jednojezdniowa' is used as an adjective describing the type of road, indicating that it has only one lane.