RÉSUMÉ DIGEST ACT 185 (HB 140) 2015 Regular Session Jefferson Designates the interchange of Interstate Hwy. 20 and La. Hwy. 149 in Lincoln Parish the "State Representative Pinkie Wilkerson Memorial Interchange". Directs the Dept. of Transportation and Development to erect and maintain appropriate signage reflecting the highway designation. Effective Aug. 1, 2015.