switch (FEAT_TRAINS, SELF, ${vehicle.id}_switch_cargo_capacity_by_cargo_${param_value}, cargo_classes) {
        bitmask(CC_PASSENGERS): return ${vehicle.capacities_pax[param_value]};
        bitmask(CC_MAIL): return ${vehicle.capacities_mail[param_value]};
        return 100; <!--!${vehicle.capacities_freight[param_value]};-->
    }