49 CFR § 299.303 - Measuring track not under load.

---
identifier: "/us/cfr/t49/s299.303"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 299.303 - Measuring track not under load."
title_number: 49
title_name: "Transportation"
section_number: "299.303"
section_name: "Measuring track not under load."
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"
---


# 299.303 Measuring track not under load.

When unloaded track is measured to determine compliance with requirements of this part, evidence of rail movement, if any, that occurs while the track is loaded shall be added to the measurements of the unloaded track.