 It consisted of metalling (gravel surfacing) the southern portion of State Route 104, a federal aid route which provided the parish seat with its first highway connection to what was essentially the mainland.Route 104 followed what is now the western leg of LA 27 south from Sulphur in neighboring Calcasieu Parish and around the west side of Calcasieu and Mud Lakes to the gulf coast at Holly Beach.It then turned east to Cameron, running concurrent with the future Route 292.