Recent Department of Transportation regulations affecting small businesses
Page 6 of 17 • Last updated April 24, 2026
252 Department of Transportation regulations have been published in the past 30 days, covering rule changes, notices, and final actions affecting small businesses.
- Pipeline Safety: Clarification of Incident Reporting Requirements for Gas Pipeline FacilitiesApril 24, 2026
Final rule clarifies incident reporting requirements for gas pipeline facilities through non-substantive amendments to existing regulations.
- Pipeline Safety: Standards Update-MSS SP-75April 24, 2026
PHMSA updates pipeline safety regulations to incorporate the latest MSS SP-75 standard for high-strength butt-welding fittings, reducing compliance burdens while maintaining public safety standards.
- Agency Information Collection Activities: Requests for Comments; Clearance of a Renewed Approval of Information Collection: Drug and Alcohol Testing Program for Personnel Engaged in Specified Aviation ActivitiesApril 24, 2026
FAA seeks public comment on renewing OMB approval for its drug and alcohol testing information collection program covering regulated aviation employers and foreign repair stations.
- Pipeline Safety: Standards Update-NACE SP0206April 24, 2026
PHMSA incorporates updated NACE SP0206 corrosion assessment standard for natural gas pipelines to maintain safety and reduce compliance burdens on pipeline operators.
- Pipeline Safety: Removing Obsolete Provision in Safety-Related Condition Reporting RequirementsApril 24, 2026
Final rule removes an obsolete provision from Pipeline and Hazardous Materials Safety Administration safety-related condition reporting requirements in 49 CFR 191.25.
- Pipeline Safety: Editorial Correction to Requirements for Low-Stress Hazardous Liquid Pipelines in Rural AreasApril 24, 2026
Pipeline Safety rule corrects editorial requirements for low-stress hazardous liquid pipelines operating in rural areas.
- Pipeline Safety: Clarifying Hazardous Liquid Pipeline Integrity Management GuidanceApril 24, 2026
Federal Pipeline and Hazardous Materials Safety Administration clarifies integrity management guidance for hazardous liquid and carbon dioxide pipeline operators.
- Airworthiness Directives; Dassault Aviation AirplanesApril 24, 2026
FAA issues revised Airworthiness Directive for Dassault Aviation Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes requiring updated maintenance and inspection program airworthiness limitations.
- Airworthiness Directives; Bombardier, Inc., AirplanesApril 24, 2026
FAA airworthiness directive requires Bombardier BD-700-1A10 and BD-700-1A11 airplane operators to revise flight manuals with corrected approach speed and landing distance data for SLAT FAIL procedures.
- Pipeline Safety: Standards Update-ASTM A372/A372MApril 24, 2026
PHMSA updates pipeline safety regulations to incorporate the latest ASTM A372/A372M standard for carbon and alloy steel forgings in thin-walled pressure vessels, reducing compliance burdens while maintaining public safety standards.
- Pipeline Safety: Declaratory Order ProceduresApril 24, 2026
PHMSA establishes new procedures in 49 CFR 190.13 for issuing declaratory orders related to pipeline safety regulations.
- Pipeline Safety: Standards Update-ASTM F2767April 24, 2026
PHMSA updates pipeline safety regulations to incorporate ASTM F2767 standard for polyamide-12 gas distribution fittings, maintaining safety while reducing compliance burden on operators.
- Pipeline Safety: Standards Update-ASTM F1973April 24, 2026
PHMSA updates pipeline safety regulations to incorporate the latest ASTM F1973 standard for polyethylene and polyamide fuel gas distribution fittings, reducing compliance burdens while maintaining public safety.
- Pipeline Safety: Remote Monitoring of Hazardous Liquid Pipeline RectifiersApril 24, 2026
NPRM proposes allowing remote electrical monitoring of rectifiers and cathodic protection equipment on hazardous liquid and carbon dioxide pipelines, aligning with existing gas transmission pipeline standards.
- Pipeline Safety: Standards Update-ASTM D2564April 24, 2026
PHMSA incorporates the updated ASTM D2564 standard for PVC solvent cement specifications into pipeline safety regulations to maintain public safety and reduce compliance burdens.