FM 3129 South in Cass County, Texas

FM 3129 South in Cass County is a secondary road. It runs in a north-south direction and crosses County Road 4919, County Road 4917, County Road 4798, Ramage Hidaway, County Road 4795, County Road 4799 and County Road 4916 and ends at State Highway 77 East, while the other end is a cul-de-sac. This street is part of the highway "3129".