1. The growth and development of motor vehicles -- 2. Purposes and methods of traffic enforcement -- 3. Discretion, ethics, and professional conduct in traffic enforcement -- 4. Licensing and registering drivers and motor vehicles -- 5. Traffic law: Part one -- 6. Traffic law: Part two -- 7. Alcohol: background of the problem and the struggle against impaired driving -- 8. Detection and enforcement action against the impaired driver -- 9. Field sobriety testing for suspected impaired drivers -- 10. The arrest and processing of DUI offenders -- 11. Reporting, preparing, and testifying -- 12. Crash investigations: Part 1: Responding to a crash scene -- 13. Crash investigations: Part 2: Recording and reporting -- 14. Special issues and trends in traffic safety and enforcement.