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An Evaluation of Hazmat Double Stack COFC Configurations

[From the Introduction] The Federal Railroad Administration (FRA) is responsible for ensuring the safe transport of hazardous material by rail. The Office of Safety requested the Office of Research and Development to conduct a study on the use of double stack containers carrying hazardous materials...

Accident/Incident Bulletin No. 158: Calendar Year 1989

[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 158 summarizes reportable accidents/incidents that occurred in the United States during 1989.

Vehicle Track Interaction Truck Hunting

In an effort to better understand the practical aspects of the truck hunting response of two typical freight vehicles, a Federal Railroad Administration (FRA) test program was conducted at the Transportation Test Center (TIC). Axle and carbody accelerations were measured on a conventional design...

The Role of High Speed Maglev in the Future U.S. Transportation Systems

[From the Introduction] There is a forecast of a national transportation crisis around the year 2000. Many say that gridlock will be a common occurrence on our highways and in our airways. It is evident from present data trends that America is losing its mobility. Although more of the population...

Stub Sills on Tank Cars

The results of this study indicate that the head brace repair procedure provides an effective means for redirecting stub sill loads into the tank body, thus reducing stresses at the critical sill-to-reinforcing pad weld sites. Our analysis indicates that the stub sill to tank interface stresses...

Investigations of Wheel Conditions

Approval of this task was confirmed on March 21, 1988, and it is currently scheduled for completion on December 20, 1989. The objective of this task is to ensure the validity of wheel discoloration test data developed with the cooperation of the American Association of Railroads (AAR) and to...