[Federal Register Volume 86, Number 201 (Thursday, October 21, 2021)]
[Notices]
[Pages 58379-58380]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-22911]


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DEPARTMENT OF TRANSPORTATION

Federal Railroad Administration

[Docket No. FRA-2010-0028]


CSX Transportation's Request for Testing Approval on Its 
Certified Positive Train Control System

AGENCY: Federal Railroad Administration (FRA), U.S. Department of 
Transportation (DOT).

ACTION: Notice of availability and request for comments.

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SUMMARY: This document provides the public with notice that on August 
22, 2021, CSX Transportation (CSX) submitted its Test Request for Trip 
Optimizer Air Brake Control (TO Air Brake Control), Revision 1, dated 
August 22, 2021, to FRA. CSX asks FRA to approve its Test Request so 
that it may test its TO Air Brake Control on

[[Page 58380]]

track that has been equipped with positive train control (PTC).

DATES: FRA will consider comments received by December 20, 2021 before 
taking final action on the Test Request. FRA may consider comments 
received after that date to the extent practicable and without delaying 
implementation of valuable or necessary modifications to a PTC system.

ADDRESSES: All comments concerning this proceeding should identify the 
agency name and Docket Number FRA-2010-0028, and may be submitted on 
http://www.regulations.gov. Follow the online instructions for 
submitting comments. For convenience, all active PTC dockets are 
hyperlinked on FRA's website at https://railroads.dot.gov/train-control/ptc/ptc-annual-and-quarterly-reports. All comments received 
will be posted without change to https://www.regulations.gov; this 
includes any personal information.

FOR FURTHER INFORMATION CONTACT: Gabe Neal, Staff Director, Signal, 
Train Control, and Crossings Division, telephone: 816-516-7168, email: 
[email protected].

SUPPLEMENTARY INFORMATION: On June 21, 2021, FRA certified CSX's 
Interoperable Electronic Train Management System (I-ETMS) PTC system 
per Title 49 Code of Federal Regulations (CFR) Section 236.1015. 
Pursuant to 49 CFR 236.1035, CSX must request FRA-approval of any 
regression testing of a certified PTC system that is conducted on the 
general rail system. See 49 CFR 236.1035(a). CSX's Test Request 
describes the level of testing of its TO Air Brake Control required to 
confirm that the air brake control feature design, implementation, and 
safety mitigations comply with the document requirements outlined in 
the I-ETMS Onboard Segment Requirements Specifications.
    CSX's Test Request are available for review online at 
www.regulations.gov (Docket No. FRA-2010-0028). Interested parties are 
invited to comment on the Test Request by submitting written comments 
or data. During its review of the Test Request, FRA will consider any 
comments or data submitted. 49 CFR 236.1011(e). However, FRA may elect 
not to respond to any particular comment and, under 49 CFR 
236.1009(d)(3), FRA maintains the authority to approve or disapprove 
the Test Request at its sole discretion.

Privacy Act Notice

    In accordance with 49 CFR 211.3, FRA solicits comments from the 
public to better inform its decisions. DOT posts these comments, 
without edit, including any personal information the commenter 
provides, to https://www.regulations.gov, as described in the system of 
records notice (DOT/ALL-14 FDMS), which can be reviewed at https://www.transportation.gov/privacy. See https://www.regulations.gov/privacy-notice for the privacy notice of regulations.gov. To facilitate 
comment tracking, we encourage commenters to provide their name, or the 
name of their organization; however, submission of names is completely 
optional. If you wish to provide comments containing proprietary or 
confidential information, please contact FRA for alternate submission 
instructions.

    Issued in Washington, DC.
Carolyn R. Hayward-Williams,
Director, Office of Railroad Systems and Technology.
[FR Doc. 2021-22911 Filed 10-20-21; 8:45 am]
BILLING CODE 4910-06-P


