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

General

Subscribe to General

Comparative Evaluation of Energy Management Models for Transit Systems

The energy consumption of BART transit cars was measured with and without regeneration during the period 25 August - 2 September 1981. The test data was then compared with the predictions of different energy management models currently in use for transit system studies. This report presents the...

Chopper Locomotive Demonstration Program Phase II, Final Report

An E44 electric locomotive of 5000 hp, 6 axles and 6 motors was used as a test bed to evaluate full scale use of 6 separate high power DC to DC choppers for propulsion. The normal phase control rectifier equipment was removed and replaced by a DC link at 2000 volts as the source of energy to the...

Ballast Testing at FAST: 1976-82

The railroads, for whom ballast has long been a subject of serious study, have sought to develop criteria for choosing, maintaining, and predicting ballast performance in revenue track. During 1976-1982, two studies (Ballast I & II) were conducted on sections of the FAST loop at the...

Assessment of Radial Truck Safety Performance Data

The available test data collected on radial freight trucks has been reviewed and evaluated for possible future use in establishing the safety performance characteristics of these trucks. Documentation of tests conducted by the railroads, equipment suppliers, FRA and AAR is reviewed to determine...

Advanced Group Rapid Transit Guideway Communication Unit Design Summary

The purpose of the Advanced Group Rapid Transit (AGRT) program was to develop an advanced automated guideway transit system capable of providing high passenger volumes, short waiting times, and high levels of passenger service. The transportation system developed consists of small, automated...

Accident/Incident Bulletin No. 152: Calendar Year 1983

[From the Introduction] To comply with the provisions of 49 CFR 225, all railroads are required to file monthly accident/incident reports with the Federal Railroad Administration's (FRA) Office of Safety. Bulletin 152 summarizes all reportable accidents/incidents that occurred in the United States...

Truck Design Optimization Project (TDOP): Wear Data Collection Program

The Wear Data Collection Program was a field testing study associated with the Truck Design Optimization Project in which test trucks in unit coal train service were monitored for wear in an effort to develop comparative wear performance data. Seven truck types (one car set of each type) including...