Drug Recognition Expert

Massachusetts Drug Evaluation and Classification Program

An Overview of the DRE Program: A two-page overview of the development and current status of the DRE program.
The Drug Impaired Driver: The DRE Response: This is a very comprehensive and annotated (about thirty page) document explaining the DRE procedure from its genesis (updated 5-28-98).
The DRE Emblem: An explanation of the development and meaning of the DRE emblem.
DRE Standards: The National Standards of the Drug Evaluation and Classification Program. (updated with the October 1999 standards)