This is the 450th most frequent Danish word.
planlagt
Planned.
In this sentence, 'planlagt' is used as the past participle of the verb 'planlægge' to indicate that the trip has been planned.
Jeg har planlagt en tur til København næste måned.
I have planned a trip to Copenhagen next month.
Here, 'planlagt' functions as part of a compound adjective 'velplanlagt' to describe the event.
Det var en velplanlagt begivenhed, og alle var imponerede.
It was a well-planned event, and everyone was impressed.
In this case, 'planlagt' is used as part of the passive voice to indicate that the construction was scheduled or intended to begin.