49 CFR § 299.433 - Exterior lights.

---
identifier: "/us/cfr/t49/s299.433"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 299.433 - Exterior lights."
title_number: 49
title_name: "Transportation"
section_number: "299.433"
section_name: "Exterior lights."
chapter_name: "FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "299"
part_name: "TEXAS CENTRAL RAILROAD HIGH-SPEED RAIL SAFETY STANDARDS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "85 FR 69731, Nov. 3, 2020, unless otherwise noted."
cfr_part: "299"
---


# 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.