Code of Federal Regulations > Title 49 > Chapter II > Part 236 > Subpart I - Subpart I—Positive Train Control Systems

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

§ 236.1001 - Purpose and scope.

§ 236.1003 - Definitions.

§ 236.1005 - Requirements for Positive Train Control systems.

§ 236.1006 - Equipping locomotives operating in PTC territory.

§ 236.1007 - Additional requirements for high-speed service.

§ 236.1009 - Procedural requirements.

§ 236.1011 - PTC Implementation Plan content requirements.

§ 236.1013 - PTC Development Plan and Notice of Product Intent content requirements and Type Approval.

§ 236.1015 - PTC Safety Plan content requirements and PTC System Certification.

§ 236.1017 - Independent third party Verification and Validation.

§ 236.1019 - Main line track exceptions.

§ 236.1020 - [Reserved]

§ 236.1021 - Discontinuances, material modifications, and amendments.

§ 236.1023 - Errors and malfunctions.

§ 236.1025 - [Reserved]

§ 236.1027 - PTC system exclusions.

§ 236.1029 - PTC system use and failures.

§ 236.1031 - Previously approved PTC systems.

§ 236.1033 - Communications and security requirements.

§ 236.1035 - Field testing requirements.

§ 236.1037 - Records retention.

§ 236.1039 - Operations and Maintenance Manual.

§ 236.1041 - Training and qualification program, general.

§ 236.1043 - Task analysis and basic requirements.

§ 236.1045 - Training specific to office control personnel.

§ 236.1047 - Training specific to locomotive engineers and other operating personnel.

§ 236.1049 - Training specific to roadway workers.