General

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...

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

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

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

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

Cant Deficiency Test Safety Monitoring Using Accelerometer Measurements

The FRA has performed high cant deficiency curving tests on several passenger trains using instrumented wheels to measure wheel forces for comparison to derailment safety criteria. Data from these tests show that the vehicle overturning safety criterion which prevents wheel lift is the most...

« First
‹‹
…
326
327
328
329
330
331
332
333
334
…
››
Last »

USA Banner

General