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Code of Federal Regulations
Title 49
Chapter II
Part 236
49 C.F.R. Part 236
Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
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236.0
Applicability, minimum requirements, and penalties.
A
Rules and Instructions: All Systems
B
Automatic Block Signal Systems
C
Interlocking
D
Traffic Control Systems
E
Automatic Train Stop, Train Control and Cab Signal Systems
F
Dragging Equipment and Slide Detectors and Other Similar Protective Devices
G
Definitions
H
Standards for Processor-Based Signal and Train Control Systems
I
Positive Train Control Systems
Appendix A to Part 236
[Reserved]
Appendix B to Part 236
Risk Assessment Criteria
Appendix C to Part 236
Safety Assurance Criteria and Processes
Appendix D to Part 236
Independent Review of Verification and Validation
Appendix E to Part 236
Human-Machine Interface (HMI) Design
Appendix F to Part 236
Minimum Requirements of FRA Directed Independent Third-Party Assessment of PTC System Safety Verification and Validation