A public transportation vehicle, comprising: a passenger cabin, comprising a cabin floor that extends, in a longitudinal direction, from a front section of the passenger cabin to a back section of the passenger cabin; a plurality of seating tracks, fixed to the cabin floor at locations along the passenger cabin; a plurality of passenger seats, arranged into multiple rows spaced apart in the longitudinal direction and each passenger seat of the plurality of passenger seats is selectively releasably fixed to at least one seating track of the plurality of seating tracks; and at least one cargo cart, selectively releasably fixable to at least one seating track of the plurality of seating tracks such that, when the at least one cargo cart is selectively releasably fixed to the at least one seating track of the plurality of seating tracks, the at least one cargo cart is at least one of: laterally directly adjacent one of the plurality of passenger seats in a lateral direction, perpendicular to the longitudinal direction, to form one of the multiple rows with the at least one of the laterally directly adjacent one of the plurality of passenger seats; or longitudinally directly adjacent one of the plurality of passenger seats in the longitudinal direction, to form a column with the longitudinally directly adjacent one of the plurality of passenger seats; characterized in that the thr public transportation vehicle further comprising at least one wall partition, pivotably fixable relative to the cabin floor such that the at least one wall partition extends vertical upwardly perpendicular to the cabin floor, wherein, when the at least one wall partition is pivotably fixed relative to the cabin floor, the at least one wall partition is laterally directly adjacent to one side of the at least one cargo cart and interposed between the at least one cargo cart and at least one of an open aisle that is laterally directly adjacent the at least one cargo cart or one of the plurality of passenger seats that is laterally directly adjacent the at least one cargo cart. a passenger cabin, comprising a cabin floor that extends, in a longitudinal direction, from a front section of the passenger cabin to a back section of the passenger cabin; a plurality of seating tracks, fixed to the cabin floor at locations along the passenger cabin; a plurality of passenger seats, arranged into multiple rows spaced apart in the longitudinal direction and each passenger seat of the plurality of passenger seats is selectively releasably fixed to at least one seating track of the plurality of seating tracks; and at least one cargo cart, selectively releasably fixable to at least one seating track of the plurality of seating tracks such that, when the at least one cargo cart is selectively releasably fixed to the at least one seating track of the plurality of seating tracks, the at least one cargo cart is at least one of: laterally directly adjacent one of the plurality of passenger seats in a lateral direction, perpendicular to the longitudinal direction, to form one of the multiple rows with the at least one of the laterally directly adjacent one of the plurality of passenger seats; or longitudinally directly adjacent one of the plurality of passenger seats in the longitudinal direction, to form a column with the longitudinally directly adjacent one of the plurality of passenger seats; laterally directly adjacent one of the plurality of passenger seats in a lateral direction, perpendicular to the longitudinal direction, to form one of the multiple rows with the at least one of the laterally directly adjacent one of the plurality of passenger seats; or longitudinally directly adjacent one of the plurality of passenger seats in the longitudinal direction, to form a column with the longitudinally directly adjacent one of the plurality of passenger seats; characterized in that the thr public transportation vehicle further comprising at least one wall partition, pivotably fixable relative to the cabin floor such that the at least one wall partition extends vertical upwardly perpendicular to the cabin floor, wherein, when the at least one wall partition is pivotably fixed relative to the cabin floor, the at least one wall partition is laterally directly adjacent to one side of the at least one cargo cart and interposed between the at least one cargo cart and at least one of an open aisle that is laterally directly adjacent the at least one cargo cart or one of the plurality of passenger seats that is laterally directly adjacent the at least one cargo cart.