# 49 CFR § 655.6: Preemption of state and local laws

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-49-655.6

## Section

- **Citation:** 49 CFR § 655.6
- **Heading:** Preemption of state and local laws
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 49—Transportation > Subtitle B—Other Regulations Relating to Transportation > CHAPTER VI—FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > PART 655—PREVENTION OF ALCOHOL MISUSE AND PROHIBITED DRUG USE IN TRANSIT OPERATIONS > Subpart A—General

## Text

(a) Except as provided in paragraph (b) of this section, this part preempts any state or local law, rule, regulation, or order to the extent that:
(1) Compliance with both the state or local requirement and any requirement in this part is not possible; or
(2) Compliance with the state or local requirement is an obstacle to the accomplishment and execution of any requirement in this part.
(b) This part shall not be construed to preempt provisions of state criminal laws that impose sanctions for reckless conduct attributed to prohibited drug use or alcohol misuse leading to actual loss of life, injury, or damage to property, whether the provisions apply specifically to transportation employees or employers or to the general public.

## Nearby sections

- [49 CFR § 655.1 § 655.1 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.1.md)
- [49 CFR § 655.2 § 655.2 Overview.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.2.md)
- [49 CFR § 655.3 § 655.3 Applicability.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.3.md)
- [49 CFR § 655.4 § 655.4 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.4.md)
- [49 CFR § 655.5 § 655.5 Stand-down waivers for drug testing.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.5.md)
- [49 CFR § 655.6 § 655.6 Preemption of state and local laws.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.6.md)
- [49 CFR § 655.7 § 655.7 Starting date for testing programs.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.7.md)
- [49 CFR § 655.11 § 655.11 Requirement to establish an anti-drug use and alcohol misuse program.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.11.md)
- [49 CFR § 655.12 § 655.12 Required elements of an anti-drug use and alcohol misuse program.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.12.md)
- [49 CFR § 655.14 § 655.14 Education and training programs.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.14.md)
- [49 CFR § 655.15 § 655.15 Policy statement contents.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.15.md)
- [49 CFR § 655.16 § 655.16 Requirement to disseminate policy.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.16.md)
- [49 CFR § 655.17 § 655.17 Notice requirement.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.17.md)
- [49 CFR § 655.21 § 655.21 Drug testing.](https://www.frixlaw.com/law-library/statutes/ecfr-49-655.21.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-49-655.6. Check the current official text before relying on it. Not legal advice.