---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chII/part235"
level: "part"
label: "Part 235"
heading: "Instructions Governing Applications for Approval of a Discontinuance or Material Modification of a Signal System or Relief from the Requirements of Part 236"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chII-part235"
sections_count: 12
---

# Part 235 — Instructions Governing Applications for Approval of a Discontinuance or Material Modification of a Signal System or Relief from the Requirements of Part 236

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter II — Federal Railroad Administration, Department of Transportation

## Sections

- [§235.1. Scope.](/cfr/49/235.1.md)
- [§235.3. Application.](/cfr/49/235.3.md)
- [§235.5. Changes requiring filing of application.](/cfr/49/235.5.md)
- [§235.6. Expedited application for approval of certain changes.](/cfr/49/235.6.md)
- [§235.7. Changes not requiring filing of application.](/cfr/49/235.7.md)
- [§235.8. Relief from the requirements of part 236 of this title.](/cfr/49/235.8.md)
- [§235.9. Civil penalty.](/cfr/49/235.9.md)
- [§235.10. Contents of applications.](/cfr/49/235.10.md)
- [§235.12. Additional required information-prints.](/cfr/49/235.12.md)
- [§235.13. Filing procedure.](/cfr/49/235.13.md)
- [§235.14. Notice.](/cfr/49/235.14.md)
- [§235.20. Protests.](/cfr/49/235.20.md)