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

The Aerodynamics of Vehicles in Finite Length Tubes

High speed vehicles may operate in tunnels or tubes to minimize impact on the surrounding environment. Operation in tunnels or tubes minimizes the impact of surface obstacles, high noise levels, weather constraints and street congestion in metropolitan areas. The performance of these vehicles is...

Dual-Mode Locomotive Systems Engineerings Volume I: Summary

This report, Volume I, provides a summary of the systems engineering study undertaken as Phase I of a proposed five-phase program. The intent of the overal I program is the development, in-service demonstration, and ultimate deployment of dual-mode locomotives. This study has confirmed the...

ICE/U.S. Demonstration Vehicle Dynamics Tests Test Report

This test report documents the procedures events, and results of vehicle dynamic tests carried out on the German ICE trainset in the U.S. during July 1993. These tests, sponsored by Amtrak and supported by the FRA, were conducted to assess the suitability of the ICE trainset for safe operation at...