---
kind: "section"
citation: "49 C.F.R. § 193.2917"
title: "49"
number: "193.2917"
heading: "Warning signs."
url: "https://uscodex.org/cfr/49/193.2917"
---

# §193.2917. Warning signs.

- (a) Warning signs must be conspicuously placed along each protective enclosure at intervals so that at least one sign is recognizable at night from a distance of 30m (100 ft.) from any way that could reasonably be used to approach the enclosure.
- (b) Signs must be marked with at least the following on a background of sharply contrasting color:

## Notes

### Amendments

[Amdt. 193-2, 45 FR 70409, Oct. 23, 1980, as amended at 47 FR 32720, July 29, 1982]

### Source

Source: Amdt. 193-2, 45 FR 70409, Oct. 23, 1980, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 5103, 60102, 60103, 60104, 60108, 60109, 60110, 60113, 60118; and 49 CFR 1.53.

### Source

Source: 45 FR 9203, Feb. 11, 1980, unless otherwise noted.

### Amendments

[Amdt. 193-2, 45 FR 70409, Oct. 23, 1980, as amended at 47 FR 32720, July 29, 1982]