CJK 0403 - DUI Traffic Stops CJK 0403 - DUI Traffic Stops 24 con. hrs. Occupational This course teaches that drivers that are under the influence of drugs or alcohol pose a hazard to themselves and others. It provides information on how a law enforcement officer detects impaired driving, administers field sobriety tests, makes arrests when appropriate, and records the evidence of a DUI (driving under the influence) offense. Course Designations: (CH)