Federal rules by agency
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Federal rules by agency
Agencies carry out laws by writing rules. Final rules have the force of law; proposed rules are open for public comment first. Counts and lists come from the Federal Register.
Transportation Department: Newest final rules (535)
The newest 2,000 final rules published from 2026-03-25 to 2026-11-16; older rules: not collected here, see the Federal Register.
- Airworthiness Directives; The Boeing Company Airplanes
2026-09-17 · Transportation Department, Federal Aviation Administration · effective 2026-10-22 · 2026-19082 - Airworthiness Directives; Bell Textron Canada Limited Helicopters
2026-09-17 · Transportation Department, Federal Aviation Administration · effective 2026-10-22 · 2026-19052 - Airworthiness Directives; MD Helicopters, LLC Helicopters
2026-09-15 · Transportation Department, Federal Aviation Administration · effective 2026-10-20 · 2026-18927 - Amendment of Class D and Class E Airspace Over Hyannis, MA
2026-09-15 · Transportation Department, Federal Aviation Administration · effective 2026-12-24 · 2026-18902 - Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
2026-09-15 · Transportation Department, Federal Aviation Administration · effective 2026-10-20 · 2026-18848 - Sport Pilot Practical Test Standards Alignment
2026-09-14 · Transportation Department, Federal Aviation Administration · effective 2026-09-14 · 2026-18776 - Airworthiness Directives; Dassault Aviation Airplanes
2026-09-11 · Transportation Department, Federal Aviation Administration · effective 2026-10-16 · 2026-18602 - Airworthiness Directives; Dassault Aviation Airplanes
2026-09-11 · Transportation Department, Federal Aviation Administration · effective 2026-10-16 · 2026-18601 - Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes
2026-09-11 · Transportation Department, Federal Aviation Administration · effective 2026-10-16 · 2026-18600 - DOT Organizational Terminology; Technical Correction
2026-09-11 · Transportation Department, Office of the Secretary · effective 2026-09-11 · 2026-18560 - Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
2026-09-11 · Transportation Department, Federal Aviation Administration · effective 2026-10-16 · 2026-18559 - Route Designations-Vehicle Length, Width, and Weight Limitations
2026-09-11 · Transportation Department, Federal Highway Administration · effective 2026-09-11 · 2026-18548 - Amendment of Class D and Class E Airspace and Establishment of Class E Airspace; Clovis, NM, and Portales, NM
2026-09-10 · Transportation Department, Federal Aviation Administration · effective 2026-12-24 · 2026-18437 - Airworthiness Directives; International Aero Engines AG Engines; Correction
2026-09-10 · Transportation Department, Federal Aviation Administration · effective 2026-09-24 · 2026-18423 - Federal Motor Vehicle Safety Standard No. 213a; Child Restraint Systems-Side Impact Protection; Federal Motor Vehicle Safety Standard No. 213; Child Restraint Systems, Federal Motor Vehicle Safety Standard No. 213b; Child Restraint Systems; Incorporation by Reference
2026-09-09 · Transportation Department, National Highway Traffic Safety Administration · effective 2026-10-09 · 2026-18380 - Revocation of Class E Airspace; Point Pleasant, WV
2026-09-04 · Transportation Department, Federal Aviation Administration · effective 2026-12-24 · 2026-18126 - Airworthiness Directives; Airbus SAS Airplanes
2026-09-03 · Transportation Department, Federal Aviation Administration · effective 2026-09-18 · 2026-18055 - Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes
2026-09-03 · Transportation Department, Federal Aviation Administration · effective 2026-09-18 · 2026-18053 - Airworthiness Directives; Airbus SAS Airplanes
2026-09-03 · Transportation Department, Federal Aviation Administration · effective 2026-09-18 · 2026-18052 - Cause of Airline Delay and Cancellation Categories Under Section 511(b) of the FAA Reauthorization Act of 2024
2026-09-03 · Transportation Department, Office of the Secretary · significant · effective 2026-10-19 · 2026-18040 - Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
2026-09-03 · Transportation Department, Federal Aviation Administration · effective 2026-09-03 · 2026-18032 - Airworthiness Directives; Pratt & Whitney Division Engines
2026-09-03 · Transportation Department, Federal Aviation Administration · effective 2026-10-08 · 2026-18019 - National Environmental Policy Act Regulations
2026-09-01 · Transportation Department, Federal Highway Administration, Federal Railroad Administration, Federal Transit Administration · significant · effective 2026-09-01 · 2026-17904 - Fees for the Unified Carrier Registration Plan and Agreement
2026-09-01 · Transportation Department, Federal Motor Carrier Safety Administration · effective 2026-10-01 · 2026-17893 - Permitting Use of Computer-Based, Three-Dimensional Simulation for Periodic Refresher Training on Brake Systems
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17792 - Miscellaneous Amendments to FRA's Accident Reporting Regulations
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17791 - Retiring Form FRA F 6180.107 and Form FRA F 6180.150
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17790 - Repealing Outdated Railroad Workplace Safety Requirements and Making Other Improvements
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17789 - Expanding Certain Locomotive Wheel Set Diameter Variations
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17788 - Repealing Special Approval Requirement for Freight Cars More Than 50 Years Old
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17787 - Enhancing Railroad Discretion in Sounding Locomotive Horns at Passenger Stations
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17786 - Amendments to Brake System Maintenance and Inspection Requirements
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17784 - Regulatory Relief From Locomotive Horn Sounding Pattern at Public Highway-Rail Grade Crossings
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17783 - Regulatory Relief for End of Car Cushioning Units
2026-08-31 · Transportation Department, Federal Railroad Administration · effective 2026-09-30 · 2026-17782 - Resetting NHTSA's Fuel Economy Program: Commercial Medium- and Heavy-Duty On-Highway Vehicles and Work Trucks
2026-08-31 · Transportation Department, National Highway Traffic Safety Administration · 2026-17756 - Temporary Exemption From Motor Vehicle Safety and Bumper Standards; Extension of Comment Period
2026-08-31 · Transportation Department, National Highway Traffic Safety Administration · 2026-17742 - Airspace Designations; Incorporation by Reference
2026-08-31 · Transportation Department, Federal Aviation Administration · effective 2026-09-15 · 2026-17689 - Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
2026-08-28 · Transportation Department, Federal Aviation Administration · effective 2026-10-02 · 2026-17639 - Vessel and Shipyard Financing, Regulatory Revision
2026-08-28 · Transportation Department, Maritime Administration · effective 2026-08-28 · 2026-17636 - Airworthiness Directives; Bell Textron Canada Limited Helicopters
2026-08-28 · Transportation Department, Federal Aviation Administration · effective 2026-09-14 · 2026-17615 - Airworthiness Directives; Lycoming Engines
2026-08-28 · Transportation Department, Federal Aviation Administration · effective 2026-09-14 · 2026-17584 - Airworthiness Directives; Various Helicopters
2026-08-28 · Transportation Department, Federal Aviation Administration · effective 2026-10-02 · 2026-17583 - Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
2026-08-28 · Transportation Department, Federal Aviation Administration · effective 2026-10-02 · 2026-17582 - Airworthiness Directives; Leonardo S.p.A. Helicopters
2026-08-28 · Transportation Department, Federal Aviation Administration · effective 2026-10-02 · 2026-17581 - Airworthiness Directives; The Boeing Company Airplanes
2026-08-27 · Transportation Department, Federal Aviation Administration · effective 2026-10-01 · 2026-17553 - Airworthiness Directives; Airbus SAS Airplanes
2026-08-27 · Transportation Department, Federal Aviation Administration · effective 2026-10-01 · 2026-17552 - Airworthiness Directives; Airbus SAS Airplanes
2026-08-27 · Transportation Department, Federal Aviation Administration · effective 2026-10-01 · 2026-17551 - Amendment of Restricted Areas R-2505, R-2524, R-2508, and R-2515 in California
2026-08-25 · Transportation Department, Federal Aviation Administration · effective 2026-10-29 · 2026-17339 - Airworthiness Directives; International Aero Engines AG Engines
2026-08-20 · Transportation Department, Federal Aviation Administration · effective 2026-09-24 · 2026-16954 - Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
2026-08-19 · Transportation Department, Federal Aviation Administration · effective 2026-08-19 · 2026-16888
Rules by agency
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Source: Federal Register API (Office of the Federal Register, National Archives). Collected Nov 14, 2026 11:45 PM CST.