Petition for Approval of Test Program; Extension of Comment Period

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Federal Railroad Administration [Docket Number FRA-2026-1421] AGENCY: Federal Railroad Administration (FRA), Department of Transportation (DOT). ACTION: Notice; Extension of comment period. SUMMARY: This document extends the period for public comment regarding the Union Pacific Railroad Company (UP) request for FRA approval of a test program related to a locomotive control system, and the temporary suspension of certain FRA safety regulations in connection with that program. DATES: FRA must receive comments on the petition by September 30, 2026. FRA will consider comments received after that date to the extent practicable. ADDRESSES: Comments: Comments related to this docket may be submitted by going to https://www.regulations.gov and following the online instructions for submitting comments. Instructions: All submissions must include the agency name and docket number. All comments received will be posted without change to https://www.regulations.gov ; this includes any personal information. Please see the Privacy Act heading in the SUPPLEMENTARY INFORMATION section of this document for Privacy Act information related to any submitted comments or materials. Docket: For access to the docket to read background documents or comments received, go to https://www.regulations.gov and follow the online instructions for accessing the docket. FOR FURTHER INFORMATION CONTACT: Fred Mottley, Systems Engineer, Engineering, Technology, and Automation Division, F…