Code of Federal Regulations > Title 40 > Chapter I > Part 93 - PART 93—DETERMINING CONFORMITY OF FEDERAL ACTIONS TO STATE OR FEDERAL IMPLEMENTATION PLANS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

Subpart A [§ 93.100 - § 93.129] - Subpart A—Conformity to State or Federal Implementation Plans of Transportation Plans, Programs, and Projects Developed, Funded or Approved Under Title 23 U.S.C. or the Federal Transit Laws

Subpart B [§ 93.150 - § 93.165] - Subpart B—Determining Conformity of General Federal Actions to State or Federal Implementation Plans