Safety performance history
Prior-employer accident and controlled-substances information carriers must investigate before hire.
At a glance
- Category
- File records
- Last reviewed
- 2026-10-23
- First published
- 2026-10-20
- Sources
- 1
Safety performance history is the accident and alcohol or controlled substances information motor carriers must obtain from DOT-regulated previous employers during the three years before hire (49 CFR 391.23(d)–(e)). Replies are kept in the driver investigation history file, not the open qualification file.
Sources
Last reviewed 2026-10-23
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