Box type drainage system has to be using for

furthermore, plants, grass, leaves, and stems among

other components in the forest slow the runoff,
ensuring that the water drains to the rivers or
underground slowly. In urban areas,
however, plants are few,
and the pavements and surfaces are constructed in a way that
only allows very little or no water to infiltrate the ground. That water run-off has to go somewhere.

There is the usage of box type drainage system.