USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Everyone

Determinations of Dynamic Fracture Toughness Properties of Rail Steels

Motivated by the occurrence of a long-running rail web fracture in service, dynamic fracture mechanics research was undertaken to (1) quantify the crack driving force due to the residual stresses induced by roller straightening operations, (2) determine dynamic fracture toughness values for rail...

Classification of Hazardous Materials in Rail Transportation

The regulations pertaining to the classification of hazardous materials in rail transportation were examined for their robustness in identifying hazards, the classification of hazardous materials, and the utility of these classifications to those who must deal with rail accidents involving...

Accident/Incident Bulletin No. 155: Calendar Year 1986

[From the Introduction] Railroads are required to file monthly accident/incident reports with the Federal Railroad Administration's (FRA) Office of Safety in accordance with 49 CFR 225. Bulletin 155 summarizes reportable accidents/incidents that occurred in the United States during 1986.