Morrish (SB 189) Act No. 290 Prior law designated Louisiana historical byways. New law revises the route designation of the Creole Nature Trail and the Creole Nature Trail Scenic Byway District in Cameron and Calcasieu parishes. New law adds designation of the Flyway Byway route in Jefferson Davis Parish to the Louisiana historical byways. Effective upon signature of the governor (May 28, 2014). (Amends R.S. 48:1815(A) and R.S. 56:1948.5(47); adds R.S. 56:1948.5(65))