> For the complete documentation index, see [llms.txt](https://railnology.gitbook.io/railnology-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://railnology.gitbook.io/railnology-docs/drug-and-alcohol-testing/drug-alcohol-testing.md).

# Overview

Railnology's Drug & Alcohol Testing module helps railroad administrators log, track, and manage test results in compliance with 49 CFR Part 219 (FRA railroad-specific) and 49 CFR Part 40 (DOT general testing procedures).

Navigate to **RegIntel → D\&A Testing** to access the module.

Access is restricted to Administrator, Train Master, Safety Officer, and Compliance roles.