DOT Guidance Portal
Welcome to the DOT Guidance Portal. This web portal is a searchable, indexed database, that contains all guidance documents issued by DOT and its nine operating administrations that are in effect today. The guidance documents contained herein lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract. DOT may not cite, use, or rely on any guidance that is not available through this guidance portal, except to establish historical facts.
Guidance documents issued by the Office of the Secretary of Transportation (OST) are available below and guidance documents for each of the operating administrations are found on their individual website Guidance Portals.
You may submit a request electronically for issuance, reconsideration, modification, or rescission of guidance documents by emailing regulationC50.law@dot.gov.
| Subject | Topic | Issued Date Sort ascending |
|---|---|---|
| Sample No Change Declaration For Concessionaires | Disadvantaged Business Enterprise | |
| Submitting GFE Information on Design-Bid-Build Contracts | Disadvantaged Business Enterprise | |
| How to Become a Commuter Air Carrier | Aviation Policy | |
| DBE Guidance on Training for DBE Certification Application Review Staff | Disadvantaged Business Enterprise | |
| What Employers Need to Know About Monitoring Collection Sites | Drug and Alcohol Testing | |
| AV 4.0 | Automated Vehicles | |
| Urine Specimen Collection Guidelines | Drug and Alcohol Testing | |
| Release of Information Form “49 CFR Part 40 – Drug and Alcohol Testing” | Drug and Alcohol Testing | |
| Reminder Notice - Direct Observation In Effect For All DOT Return-to-Duty & Follow-Up Drug Testing | Drug and Alcohol Testing | |
| Section 1311 – Guidance on Adoption of NEPA Documents | Transportation Policy |