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System Safety Program

Disclaimer:

The version of the final rule being posted to FRA’s website is not intended to constitute the official version of the final rule.  The official version of the final rule will be the version published in the Federal Register in the near future and may appear slightly...

Providing Wireless Bandwidth for High-speed Rail Operations

This project examined the possibility of providing wireless communication for train control systems on American high-speed trains. In this study, the key issue is that the frequencies allocated for rail operations in the U.S. and the frequencies used by GSM-R in other parts of the world have...

Cost/Benefit Analysis of Head Shields for 112A/114A Series Tank Cars

A cost/benefit analysis of head shields installed on new and existing 112A/114A series pressure tank cars was performed based on a redistribution of accident dollar losses. Head shields are designed to prevent puncture of a tank car head during an accident with resulting loss of lading and possibly...

Acquisition and Use of Track Geometry Data in Maintenance-of-Way Planning

The report describes data acquisition by the FRA Measurement Cars and subsequent use of the collected track geometry data by the Bessemer and Lake Erie (B and LE) and the Denver and Rio Grande Western (D and RGW) Railroads. These two railroads, in conjunction with ENSCO, Inc., have prepared the...

Anti-Derailment Sensor System Phase 1 Feasibility Study

In the context of items of hardware which have been developed for military use, principal causes of derailments were studied to determine those amenable to anticipation detection or by onboard sensors. Other elements for relaying sensor outputs and taking appropriate action to prevent or emeliorate...