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

Bridge Tests by Using the Track Loading Vehicle

The Track Loading Vehicle (TLV) was used to conduct a series of bridge tests. The Big Creek Through Truss Bridge on the Norfolk Southern Railroad in Tennessee was used for thee tests. The theoretical and experimental axial forces in bridge members were compared. The TLC generated influence lines,...

Safety Analysis of the ATCS

There are two reasons to model Advanced Train Control System (ATCS) safety. The first is to provide a general sense of how well the ATCS performs, from the viewpoint of safety, with respect to the current signaling and control systems. The second is to examine the relative contribution to the...

Positive Train Control for Heavy Haul Operations

Positive Train Control offers many safety and operational features that are designed to significantly enhance system reliability and network efficiency for heavy haul rail operations. PTC is intended to provide incremental improvements in train control through a modular design. A manual block...

Railroad Safety Statistics Annual Report 1999

The Federal Railroad Administration's Railroad Safety Statistics Annual Report is intended as a resource for the FRA's safety partners. It is also intended as a general reference source for individuals and organizations with an interest in rail safety issues. Statistical data, tables, and chars are...

Railroad Safety Statistics Annual Report 1997

The Federal Railroad Administration's Railroad Safety Statistics - Annual Report is intended as a resource for the FRA's safety partners and other entities who play a primary role in promoting railroad safety. It is also intended as a general reference source for individuals and organizations with...

Safety Aspects of New Trucks and Lightweight Cars, Car 2 : Interim Report

The Federal Railroad Administration (FRA) has sponsored a program to continue the validation of new techniques for testing and analysis that could be applied to the evaluation of the safety and track worthiness aspects of new freight car and suspension designs. The total program involves laboratory...