State Police issue traffic alert for I-12 near Satsuma State Police issue traffic alert for I-12 near Satsuma Advocate story Jan. 17, 2014 Comments Officials at Louisiana State Police Troop A have advised motorists to avoid Interstate 12 westbound at Satsuma because of heavy congestion due to closed lanes. Traffic is being re-routed to La. 63, from which drivers can access either U.S. 190 or La. 42. Congestion should be a problem in this area until at least 10 p.m.