This is the 10510th most frequent Swedish word.
kommunal
"Kommunal" means "municipal" or "relating to a municipality."
Here, 'kommunal' refers to something owned or maintained by the municipality, specifically the beach.
Den kommunala badplatsen är populär på sommaren.
The municipal beach is popular in the summer.
In this sentence, 'kommunal' describes the school as being run and funded by the local government.
Barnen går i en kommunal skola nära vårt hus.
The children attend a municipal school near our house.
In this case, 'kommunal' indicates that the buses are provided by or associated with the municipal transportation services.