This table classifies citytrans zones and supplies socioeconomic data for them.

Fine zone number. This field is the table’s primary key. The values should be a (not necessarily proper) subset of the zone numbers defined as internal in table Model.FineZonalSystem.

Zone classification.

There is one additional, real-valued column in table City.CityTransZones for each row in table Para.CityTransSourceModel. These are the values of the corresponding socio-economic variables in the citytrans model.