3.2. Districting
The purpose of the districting (or zoning) phase is to determine
collection districts. The districts must be such that the sum of solid
waste loads within each district does not exceed the capacity of
the vehicles that will perform the operations. The problem of
districting, especially in the context of location and (arc) routing, is
not widely addressed in the literature, or in many cases it is
assumed to be solved a priori, de facto neglecting the positive
impact it could have on the subsequent routing phase, or included
in the strategic issues.