---
kind: "section"
citation: "49 U.S.C. § 20144"
title: "49"
title_heading: "Transportation"
number: "20144"
heading: "Blue signal protection for on-track vehicles"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/49/20144"
units:
  - "Subtitle V — Rail Programs"
  - "Part A — Safety"
  - "Chapter 201 — General"
  - "Subchapter II — Particular Aspects of Safety"
---

# §20144. Blue signal protection for on-track vehicles


The [Secretary](/usc/49/22401.md?p=14) of Transportation shall prescribe regulations applying blue signal protection to on-track vehicles where rest is provided.


## Source credit

(Pub. L. 103–272, § 1(e), July 5, 1994, 108 Stat. 881.)

## Notes

| Historical and Revision Notes |  |  |
| --- | --- | --- |
| Revised<br>Section | Source (U.S. Code) | Source (Statutes at Large) |
| 20144 | (uncodified). | June 22, 1988, Pub. L. 100–342, § 19(c), 102 Stat. 638. |

The words “prescribe regulations” are substituted for “within one year after the date of the enactment of this Act, amend part 218 of title 49, Code of Federal Regulations” because the regulations to carry out this section have been prescribed.