This is the 7505th most frequent Dutch word.
bustunnel
A "bustunnel" is a tunnel designed specifically for buses.
The word 'bustunnel' is used here to refer to an actual physical tunnel designated for buses.
De nieuwe bustunnel is gisteren geopend.
The new bus tunnel was opened yesterday.
In this sentence, 'bustunnel' is used as the subject of the action 'to use', indicating its practical role in public transport.
Tijdens de spits maken veel bussen gebruik van de bustunnel.
During rush hour, many buses use the bus tunnel.
Here, 'bustunnel' serves to provide context regarding the location where the unexpected view was experienced.