# Approval and Promulgation of Air Quality Implementation Plans; Ohio; Transportation Conformity
> **Rule** · Direct final rule. · Published 2015-03-02 · Effective 2015-05-01 · 80 FR 11133
## Document
- **Document number:** 2015-04146
- **Category:** air-emissions
- **Federal Register citation:** 80 FR 11133
- **CFR reference:** 40 CFR 52
- **Publication date:** 2015-03-02
- **Effective date:** 2015-05-01
- **State:** OH
- **EPA docket:** EPA-R05-OAR-2014-0662
## Abstract

The Environmental Protection Agency (EPA) is approving, under the Clean Air Act, a revision to Ohio's transportation conformity state implementation plan (SIP) that meets EPA and United States Department of Transportation (DOT) requirements. This revision brings Ohio's transportation conformity SIP into compliance with the requirements of the Safe, Accountable, Flexible, Efficient Transportation Act: A Legacy for Users (SAFETEA-LU).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/03/02/2015-04146/approval-and-promulgation-of-air-quality-implementation-plans-ohio-transportation-conformity)
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