MTA and Marvin Johnson & Associates are teaming up to bring you a DOT Compliance Seminar on Tuesday, April 28, Thelma Keller Convention Center, 1202 N. Keller Dr., Effingham, IL 62401 from 8:30 a.m. to 3:30 p.m. - Lunch Included! Awareness and knowledge are keys to staying in compliance with DOT.