Drug Evaluation Classification Program (DECP/DRE)

DRE Instructor Course

DRE Instructor Course
The development of the DRE Instructor training program was a joint effort between the National Highway Traffic Safety Administration (NHTSA), the International Association of Chiefs of Police (IACP) and the Transportation Safety Institute (TSI). It is designed to enable law enforcement officers to develop the knowledge, skills, and attitudes necessary to effectively fill roles as instructors in support of IACP/NHTSA’s Drug Evaluation Classification program which targets drug impaired drivers. Students who complete the course receive 40 hours of TCLEOSE. The DRE Instructor course is by INVITATION ONLY.

The International Association of Chiefs of Police (IACP) is the regulating and certifying organization for the DRE program. To receive certification as a DRE instructor, the instructor candidate must complete two phases of training:

This phase is conducted over five days. Topics include adult learning theory, effective presentation skills, and techniques for conducting effective training. Each instructor candidate must pass the written test with an 80% or higher. If the instructor candidate fails he/she will be dismissed from the class.

After successfully completing the academic portion, the instructor candidate must complete the certification phase. The student must complete all modules assigned, in an approved Drug Recognition Expert training course. Candidates must be approved by two current and certified DRE Instructors.

Candidates may be asked to train more than two hours and  must complete all training objectives to be certified. In addition, the instructor candidate must supervise the administration of at least two DRE evaluations, and train and assist with one alcohol workshop under the direct supervision of current and certified DRE instructors.

In summary, an officer/candidate WILL NOT be certified as a DRE Instructor until they meet both the Academic and Certification phase of training.


There is NO registration fee for the DRE Instructor course. The program is provided through grant funds from the Texas Department of Transportation and administrated by Sam Houston State University.