The Daytona Beach Police Department (DBPD) is the primary law enforcement agency for Daytona Beach, Florida. There are 241 sworn full-time police officers, 105 sworn part-time officers and 81 civilians on the force which is headed by Craig Capri who serves as the Chief.
According to Amtrak's website (select stations, then midwest) there are 40 Long-term Parking Spaces at Kirkwood. I don't have any experience with KWD, but I've left my car at various stations in IL and IA for a month at a time with no problem.
Amtrak stations near Mar-Mac: 5 miles: GOLDSBORO (410 N. JOHN ST.) - Bus Station . Services: enclosed waiting area, public restrooms, public payphones, full-service food facilities, free short-term parking, free long-term parking, intercity bus service.