{"data":{"id":"us/49-cfr-174.201","jurisdiction":"us","citation":"49 CFR 174.201","heading":"Class 2 (gases) material cylinders.","body":"(a) Except as provided in paragraphs (b) and (c) of this section, cylinders containing Class 2 (gases) materials being transported in a rail car must be:\n(1) Securely lashed in an upright position so as to prevent their overturning;\n(2) Loaded into racks securely attached to the car;\n(3) Packed in boxes or crates of such dimensions as to prevent their overturning; or\n(4) Loaded in a horizontal position.\n(b) Specification DOT-4L (§ 178.57 of this subchapter) cylinders being transported in a rail car must be loaded in an upright position and be securely braced.\n(c) Cylinders containing Class 2 (gases) materials may be transported in stock cars, gondola cars and flat cars. However, they may not be transported in hopper bottom cars.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 174—CARRIAGE BY RAIL","Subpart F—Detailed Requirements for Class 2 (Gases) Materials"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"bcc2e1a2914febc3526d1a19443c5442263b56fd10074313dfb9d3a4bbad7563","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-174.200","next":"us/49-cfr-174.204"},"notice":"GroundRules: Original legal text. Not legal advice."}