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.

Portions of the Department of Transportation are currently in shutdown/furlough status due to a lapse in appropriations. Please continue to monitor this page for updates on DOT’s operating status.
U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Technical Reports

Subscribe to RSS

Positive Train Control Interoperability and Networking Research

This document describes the initial development of an ITC PTC Shared Network (IPSN), a hosted environment to support the distribution, configuration management, and IT governance of Interoperable Train Control (ITC) Positive Train Control (PTC) systems between short line and commuter railroads and...

MARTA "C" Car : Truck Primary Suspension Stiffness

This technical note records the modification process, test setups, and findings of the Truck Primary Suspension Stiffness investigations on the Metropolitan Atlanta Rapid Transit Authority (MARTA) "C" Car. Rubber suspension parts have been modified in several stages of MARTA transit car testing....

Tri-County Authority Light Rail Vehicle : Friction Brake Modifications

In December 1983 a prototype of Portland, Oregon 1 s Tri-County Metropolitan Transit Authority (TRI-MET) light rail vehicle was sent to the Transportation Test Center in Pueblo, Colorado for Specification Compliance and Performance Evaluation. Since this vehicle was a preproduction prototype,...

DCTA Transit Car Testing : Static Truck Characterization

This report discusses the Static Truck Characterization of the Dade County Transportation Administration (DCTA) Transit Car. This special engineering test was conducted in conjunction with General Vehicle Testing of the DCTA car at the Transportation Test Center near Pueblo, Colorado, from October...

Six-Axle Locomotive Mini-Test on FAST

This report is the fifth in a series of technical notes proceeding from the Rail Lubrication Study conducted by the Association of American Railroads on the FAST track (Facility for Accelerated Service Testing) at the Transportation Test Center (TTC). A comprehensive summary report of the study...

MARTA "C" Standard Profile Energy Consumption

The Metropolitan Atlanta Rapid Transit Authority (MARTA) "C" Car underwent energy consumption testing as part of a broader array of characteristic tests. The test objectives, procedures and profile data from the energy consumption test are presented here, representing "standard" run performance

Evaluation of Rail Wear at the Facility for Accelerated Service Testing

The rail metallurgy experiment at the Facility for Acceleration Service Testing (FAST) is intended to provide information on the wear and failure behavior of a variety of rail metallurgies under unit train operations. Results from two metallurgy experiments are presented; the demarcation between...