An industrial facility comprising a vehicle travel plane, at least one aisle path, a plurality of storage elements, and a tag layout, wherein: the aisle path and tag layout are located on the vehicle travel plane; the storage elements are arranged along, and on opposite sides of, the aisle path; characterized in that: the industrial facility comprises at least one ingress/egress zone located on the vehicle travel plane; the tag layout comprises a double row of tags comprising an inner row of tags (125, 127) and an outer row of tags (126, 128); the ingress/egress zone is located outside of an area of the vehicle travel plane occupied by the aisle path and is bounded in its entirety by (i) the double row of tags, (ii) the double row of tags and one or more selected facility boundaries, (iii) the double row of tags and one or more additional double rows of tags, or (iv) a combination of the double row of tags, the one or more additional double rows of tags and one or more selected facility boundaries; and the double row of tags is arranged in an n × m matrix of n tag rows and m tag columns, the matrix configured for successive detection of the inner (125, 127) and outer (126, 128) rows of tags that is dependent on the point-of-origin of a sensor transit path across the double row of tags, where individual tags of the outer row (126, 128) of tags are closer to points of entry into said ingress/egress zone than are individual tags of the inner row (125, 127) of tags, individual tags of the inner row (125, 127) of tags are closer to points of exit from the ingress/egress zone than are individual tags of the outer row (126, 128) of tags, and m > n > 1. the aisle path and tag layout are located on the vehicle travel plane; the storage elements are arranged along, and on opposite sides of, the aisle path the industrial facility comprises at least one ingress/egress zone located on the vehicle travel plane; the tag layout comprises a double row of tags comprising an inner row of tags (125, 127) and an outer row of tags (126, 128); the ingress/egress zone is located outside of an area of the vehicle travel plane occupied by the aisle path and is bounded in its entirety by (i) the double row of tags, (ii) the double row of tags and one or more selected facility boundaries, (iii) the double row of tags and one or more additional double rows of tags, or (iv) a combination of the double row of tags, the one or more additional double rows of tags and one or more selected facility boundaries; and the double row of tags is arranged in an n × m matrix of n tag rows and m tag columns, the matrix configured for successive detection of the inner (125, 127) and outer (126, 128) rows of tags that is dependent on the point-of-origin of a sensor transit path across the double row of tags, where individual tags of the outer row (126, 128) of tags are closer to points of entry into said ingress/egress zone than are individual tags of the inner row (125, 127) of tags, individual tags of the inner row (125, 127) of tags are closer to points of exit from the ingress/egress zone than are individual tags of the outer row (126, 128) of tags, and m > n > 1. individual tags of the outer row (126, 128) of tags are closer to points of entry into said ingress/egress zone than are individual tags of the inner row (125, 127) of tags, individual tags of the inner row (125, 127) of tags are closer to points of exit from the ingress/egress zone than are individual tags of the outer row (126, 128) of tags, and m > n > 1.