Recent Department of Transportation regulations affecting small businesses
Page 4 of 17 • Last updated April 28, 2026
252 Department of Transportation regulations have been published in the past 30 days, covering rule changes, notices, and final actions affecting small businesses.
- Regulatory Relief To Allow Speeds Up to 45 MPH for Non-Traversable CurbsApril 28, 2026
FRA train horn regulation revises non-traversable curb definition to permit highway speeds up to 45 mph in established quiet zones, aligning with five longstanding waivers.
- Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: For the Information Collection Entitled, Website for Frequency Coordination RequestApril 28, 2026
FAA seeks public comment on renewing OMB approval for its WebFCR system (OMB control number 2120-0786) to collect broadcast and transmitter frequency information required for aeronautical studies and radio frequency engineering compliance.
- Administrative Updates to the Federal Railroad Administration's State Safety Participation RegulationsApril 28, 2026
Federal Railroad Administration corrects July 1, 2025 final rule on state safety participation regulations by restoring inadvertently removed regulatory language.
- Parts and Accessories Necessary for Safe Operation; Application for an Exemption From Atlantic Aviation Orlando, LLCApril 28, 2026
FMCSA grants Atlantic Aviation Orlando, LLC an exemption allowing four aircraft fuel service trucks to operate with forward-discharging exhaust systems instead of rear-mounted systems, pending compliance with specified safety conditions.
- Repealing a Track Surface RequirementApril 28, 2026
Federal Railroad Administration repeals the runoff parameter from track surface requirements for Classes 1 through 5, citing redundancy with existing geometry safety standards.
- Amendment of Class E Airspace; Miami, FLApril 28, 2026
FAA corrects Class E airspace coordinates and airport name identifications for Miami, Florida airspace designations published February 13, 2026.
- Parts and Accessories Necessary for Safe Operation; Intellistop, Inc.; Application for ExemptionApril 28, 2026
FMCSA seeks public comment on Intellistop, Inc.'s request for a 5-year exemption to equip commercial motor vehicles with brake lamp modules that pulse lights at increased intensity; the agency will grant or deny the exemption after reviewing the app…
- Qualification and Certification of Locomotive Engineers and Conductors: Incorporation of Longstanding C3RS WaiversApril 28, 2026
FRA regulation codifies longstanding waivers exempting C3RS-participating railroads from certain locomotive engineer and conductor certification requirements.
- Removal of Unnecessary and Outdated Paperwork Reduction Act ReferencesApril 28, 2026
Federal Railroad Administration removes thirteen outdated Paperwork Reduction Act references from its regulations regarding OMB information collection approvals.
- Privacy Act of 1974; System of RecordsApril 28, 2026
DOT/FRA establishes a new Privacy Act system of records for post-accident toxicological testing data under 49 CFR part 219, subpart C, including lab results and staff evaluations of alcohol or drug involvement in railroad accidents.
- Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) EnginesApril 28, 2026
The FAA supersedes Airworthiness Directive 2024-24-02 for Safran Model ARRIUS 2F helicopter engines, requiring removal and replacement of affected fuel control units while reducing the quantity of subject units.
- Repealing Certain Bridge Load Capacity Evaluation RequirementsApril 28, 2026
Federal rule eliminates bridge load capacity evaluation scheduling requirements for track owners, as the 15-year transitional compliance period for bridge safety regulations has expired.
- Notice of Funding Opportunity for the Fiscal Year 2025 and 2026 Railroad Crossing Elimination (Crossing Safety) ProgramApril 28, 2026
Federal Railroad Administration offers up to $1,146,528,000 in grants for railroad crossing elimination and safety projects in fiscal years 2025 and 2026; applications submitted through Grants.gov.
- Qualification and Certification of Locomotive EngineersApril 28, 2026
FRA updates locomotive engineer certification to allow electronic certificates, streamline required information, revise revocation processes, and correct regulatory definitions.
- Prosecutorial Discretion of Enforcement AttorneysApril 28, 2026
The Federal Railroad Administration's Office of the Chief Counsel may exercise discretion to decline or dismiss violations, including technical violations that do not present practical safety concerns.