General

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...

Summary of Accidents Investigated by the Federal Railroad Administration: Calendar Year 1987

[From the Introduction] The 1987 Summary of Accidents Investigated by the Federal Railroad Administration (FRA) includes 238 railroad accidents. This summary provides the following information: the railroad(s) involved, the location and the time of the accident, the type of railroad accident, the...

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...

Inverter-Controlled ac Induction Motor Propulsion System Volume II: Final Report

An inverter-controlled ac induction motor propulsion system for rail transit cars was designed, developed, and tested to verify projected benefits and applicability of ac over conventional dc cars. Two New York City Transit Authority (NYCTA) R-44 dc subway cars were retrofitted with prototype ac...

Inverter-Controlled ac Induction Motor Propulsion System Volume I: Executive Summary

Hazardous Materials Emergency Response Plan Guidance Document for Railroads

One of the predictors of success in the handling of any railroad emergency is how well the railroad planned for that emergency. It has been demonstrated that good planning usually produces good results. Poor planning almost always produces disappointing results. The purpose of this emergency...

Evaluation of Locomotive Cab Air Flow Meters for Train Air Brake Leakage Monitoring

Railroad freight train brake systems must be qualified for safe operation by meeting three brake pipe test criteria: (1) a minimum pressure of 60 psig at the rear of the train, (2) a maximum pressure gradient of 15 psi over the length of the train, and (3) a maximum leakage of 5 psi per minute...

Certain Fatalities Investigated by the Federal Railroad Administration: Fourth Quarter 1987

This report represents the Federal Railroad Administration's findings in its investigation of nine railroad employee fatalities suffered during the fourth quarter of 1987. Not included are the employee fatalities that occurred as a result of train derailments, collisions, or rail-highway crossing...

Certain Fatalities Investigated by the Federal Railroad Administration: Third Quarter 1987

This report represents the Federal Railroad Administration's findings in its investigation of 10 railroad employee fatalities suffered during the third quarter of calendar year 1987. Not included are the employee fatalities that occurred as a result of train derailments, collisions, or rail-highway...

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General