Hog-tight fences.

Iowa Code § 327G.5, under RAILROAD RIGHTS-OF-WAY, CROSSINGS, TRACKS, AND FENCING.

Iowa Code § 327G.5

When any person owning land abutting on the right-of-way is maintaining a hog-tight fence on all sides thereof or any division of such land except along such right-of-way, the railway company owning such right-of-way shall, on written request of the landowner, make such right-of-way fence along such enclosed land hog-tight by the addition of barbed or woven wire or other equally efficient means. [S13, §2057; C24, 27, 31, 35, 39, § 8004; C46, 50, 54, 58, 62, 66, 71, 73, 75, §478.5; C77, 79, 81, §327G.5 ]