Code of Federal Regulations, Title 49, Transportation, Pt. 200-299, Revised as of October 1, 2015

The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the United States Federal Government.

49 CFR Parts 200-299 covers the rules, processes, procedures, and regulations relating to the Federal Railroad Administration within the U.S. Department of Transportation.   This volume covers an array of safety processes, rules of practice, inspections, testing, to include personnel involved, noise reductions, track safety, rail equipment safety, hazardous materials, state safety participation, including personnel for inspections, freight car safety procedures, operating procedures, and waivers, and penalties.
Railroad personnel, especially conductors, and maintenance professionals, State officials, State railroad inspectors, rail car and equipment manufacturers, track maintenance personnel, operational trainers to include safety inspector trainers and certification appraisers,  rail passengers, U.S. lawmakers, and policy analysts may be interested in this volume.
 
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United States Code, 2012 Edition, V. 32, Title 45, Railroads to Title 48, Territories and Insular Possessions can be found at this link: https://bookstore.gpo.gov/products/sku/052-001-00649-6
Compilation of Railroad Laws (3 Volume Set) can be found here: https://bookstore.gpo.gov/products/sku/052-070-07531-7
Slip Opinion 13-553, Alabama Department of Revenue v. CSX Transportation, Inc can be found here: https://bookstore.gpo.gov/products/sku/828-050-00019-2
Past and Future of United States Passenger Rail Service can be found here: https://bookstore.gpo.gov/products/sku/052-070-07406-0
Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects can be found here: https://bookstore.gpo.gov/products/sku/050-001-00346-5