# Approval and Promulgation of Air Quality Implementation Plans; Maryland; Transportation Conformity Regulations
> **Rule** · Direct final rule. · Published 2011-09-26 · Effective 2011-11-25 · 76 FR 59252
## Document
- **Document number:** 2011-24526
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 59252
- **CFR reference:** 40 CFR 52
- **Publication date:** 2011-09-26
- **Effective date:** 2011-11-25
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2011-0631
## Abstract

EPA is taking direct final action to approve revisions to the Maryland State Implementation Plan (SIP). The revisions establish transportation conformity regulations for the State of Maryland. EPA is approving these revisions in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/09/26/2011-24526/approval-and-promulgation-of-air-quality-implementation-plans-maryland-transportation-conformity)
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