Split Rail style fence dates back to the 1600's when colonial farmers used this fence to not only delineate their property lines, but also to keep other farmer's roaming animals from trampling their fields. Today, Locust Split Rail Posts and Poplar Split Rails fence still marks property lines and is also used as a decorative feature in both residential and commercial installations. 2 - Rail Locust & Poplar Split Rail Fence - Create a Custom Assortment