49 CFR § 172.822 - Limitation on actions by states, local governments, and Indian tribes.
---
identifier: "/us/cfr/t49/s172.822"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 172.822 - Limitation on actions by states, local governments, and Indian tribes."
title_number: 49
title_name: "Transportation"
section_number: "172.822"
section_name: "Limitation on actions by states, local governments, and Indian tribes."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "HAZARDOUS MATERIALS REGULATIONS"
part_number: "172"
part_name: "HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, TRAINING REQUIREMENTS, AND SECURITY PLANS"
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. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97."
regulatory_source: "Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, unless otherwise noted."
cfr_part: "172"
---
# 172.822 Limitation on actions by states, local governments, and Indian tribes.
A law, order, or other directive of a state, political subdivision of a state, or an Indian tribe that designates, limits, or prohibits the use of a rail line (other than a rail line owned by a state, political subdivision of a state, or an Indian tribe) for the transportation of hazardous materials, including, but not limited to, the materials specified in § 172.820(a), is preempted. 49 U.S.C. 5125, 20106.
[73 FR 20772, Apr. 16, 2008]