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

Concessions in Transport

This paper considers world wide experience with a restricted range of the spectrum of options for private participation in the supply of transport infrastructure and services. One major concern in selecting an appropriate structure for private participation is shown to be the importance of securing...

Competitive Effects of Railroad Mergers

In the post-Staggers era, the U.S. railroad industry has experienced a significant number of mergers and a sharp reduction in the number of Class I rail carriers. This paper provides analysis of the competitive effects of these rail mergers, with a focus on Union Pacific -Southern Pacific,...

Peacekeeper Rail Garrison Test of Engineering Model Maintenance Car

Tests were performed on the Peacekeeper Rail Garrison Maintenance Car {MC), according to specifications in Chapter XI of the AAR's, Manual of Standards and Recommended Practices. The unloaded MC was subjected to limited service worthiness testing. The tests, performed on the loaded MC, included...

Examination of Cracks in Wabco and Knorr Disc Brakes

The Knorr and Wabco disc brakes were examined for the cause of cracking and why there is a difference in the type of cracks found in the two designs. Microstructure, microhardness, hardness, composition, and crack surfaces were investigated. Little difference was noted between the two materials....

Safety of High Speed Ground Transportation Systems

The objective of this study is to develop qualitative and quantitative information on the various braking strategies use in high-speed ground transportation systems in support of the Federal Railroad Administration (FRA). The approach employed in this study is composed of two steps: first, build...

Railroad Passenger Ride Safety

Safety requirements for high cant deficiency rail passenger service address the dangers of vehicle derailment, track damage and unreasonable risks to standing passengers of falling. Safety criteria concerning vehicle derailment and track damage have been weeldeveloped. Those applicable to passenger...