---
kind: "section"
citation: "49 C.F.R. § 299.433"
title: "49"
number: "299.433"
heading: "Exterior lights."
url: "https://uscodex.org/cfr/49/299.433"
---

# §299.433. Exterior lights.

- (a) **Headlights.** Each leading end of a trainset shall be equipped with two or more headlights.
  - (1) Each headlight shall produce 80,000 candela.
  - (2) Headlights shall be arranged to illuminate signs in the right-of-way.
  - (3) Headlights shall be recognized 600 m (1,968 feet) ahead of the cab car by a driver in another trainset or a maintenance person standing in the right-of-way under clear weather conditions.
- (b) **Taillights (marking devices).**
  - (1) The trailing end of the trainset shall be equipped with two red taillights;
  - (2) Each taillight shall be located at least 1.2 m (3.9 feet) above rail;
  - (3) Each taillight shall be recognizable 200 m (656 feet) ahead of the cab car by a driver in another trainset or a maintenance person standing in the right-of-way under clear weather conditions;
  - (4) Taillights of the trailing end of the trainset shall be on when the trainset is in operation;
  - (5) Taillights shall not be on in the direction of trainset travel, except if the driver shall re-position the trainset in a station. Such re-positioning operations shall be done in accordance with the railroad's operating rules; and
  - (6) In an emergency situation, the headlight on the rear of the trainset may serve as the taillights in accordance with the railroad's operating rules.

## Notes

### Authority

Authority: 49 U.S.C. 20103, 20107, 20133, 20141, 20302-20303, 20306, 20701-20702, 21301-21302, 21304; 28 U.S.C. 2461, note; and 49 CFR 1.89.

### Source

Source: 85 FR 69731, Nov. 3, 2020, unless otherwise noted.