This is the 13391st most frequent Polish word.
oznakowanym
Marked or labeled.
Here, 'oznakowanym' functions as an adjective describing 'pasie ruchu' (lane), indicating that the lane has some markings.
Samochód jechał po oznakowanym pasie ruchu.
The car was driving on a marked lane.
In this case, 'oznakowanym' again acts as an adjective describing 'szlakiem' (trail), suggesting the trail has signs or markings.
Oznakowanym szlakiem dotarliśmy na szczyt góry.
We reached the mountain peak via the marked trail.
Here, 'oznakowanym' serves as an adjective modifying 'pudełku' (box), indicating that the box has identifiable signs or markings.