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 |
|---|---|---|
| Preparing for the Future of Transportation: Automated Vehicles 3.0 (AV 3.0) | Automated Vehicles | |
| AV 4.0 | Automated Vehicles | |
| Chapter 1: Introduction to the Build America Bureau | ||
| Reminder Notice - Direct Observation In Effect For All DOT Return-to-Duty & Follow-Up Drug Testing | Drug and Alcohol Testing | |
| INFRA Grants FAQs | INFRA | |
| Employees Covered Under DOT Testing Regulation 49 CFR Part 40 (Spanish) | Drug and Alcohol Testing | |
| Number 300 - Foreign Air Carrier's Reporting U.S. to U.S. T-100 On-Flight Market Data | Accounting and Reporting Directive |