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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...
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...
Gauge widening resulting from a loss of adequate rail restraint is one of the major
track failure modes and the cause of a large number of derailments. A recent field
and laboratory test program conducted by the Transportation Systems Center aimed
at the determination of minimum rail strength...
This report provides background information on the numbers and types of railroad bridges existing in the U.S. The risk to
these bridges is discussed including the initiating causes of accidents and their physical effects on bridges. Examples of
railroad bridge train accidents are briefly...
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...
The Federal Railroad Administration (FRA) initiated a National Environmental Policy Act (NEPA) evaluation of Texas Central igh‐Speed Railway, LLC’s and its affiliates (TCR or the Proponent) proposal to implement a high‐speed passenger railroad between Dallas and Houston, Texas (Project). As...