Positive Train Control

Positive Train Control PDF

Author: Rahul O. Salter

Publisher:

Published: 2013

Total Pages: 0

ISBN-13: 9781626182714

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Positive Train Control (PTC) is a communications and signalling system that has been identified by the National Transportation Safety Board (NTSB) as a technology capable of preventing accidents caused by train operator or dispatcher error. PTC is expected to reduce the number of accidents due to excessive speed, conflicting train movements, and engineer failure to obey wayside signals. The Rail Safety Improvement Act of 2008 (RSIA08) requires implementation of positive train control on railroads which carry passengers or have high-volume freight traffic with toxic or poisonous-by-inhalation hazardous materials. This book provides an overview of the issues and economics for improved rail safety. While PTC promises benefits in terms of safety, its implementation entails substantial costs and presents a variety of other policy-related issues. These include the interoperability of individual railroads' systems, sufficient radio spectrum to support PTC, and the possibility that PTC could be a barrier to market entry.

Track Design Handbook for Light Rail Transit

Track Design Handbook for Light Rail Transit PDF

Author:

Publisher: Transportation Research Board

Published: 2012

Total Pages: 695

ISBN-13: 0309258243

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TCRP report 155 provides guidelines and descriptions for the design of various common types of light rail transit (LRT) track. The track structure types include ballasted track, direct fixation ("ballastless") track, and embedded track. The report considers the characteristics and interfaces of vehicle wheels and rail, tracks and wheel gauges, rail sections, alignments, speeds, and track moduli. The report includes chapters on vehicles, alignment, track structures, track components, special track work, aerial structures/bridges, corrosion control, noise and vibration, signals, traction power, and the integration of LRT track into urban streets.

Railway Safety, Reliability, and Security: Technologies and Systems Engineering

Railway Safety, Reliability, and Security: Technologies and Systems Engineering PDF

Author: Flammini, Francesco

Publisher: IGI Global

Published: 2012-05-31

Total Pages: 487

ISBN-13: 146661644X

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Human errors, as well as deliberate sabotage, pose a considerable danger to passengers riding on the modern railways and have created disastrous consequences. To protect civilians against both intentional and unintentional threats, rail transportation has become increasingly automated. Railway Safety, Reliability, and Security: Technologies and Systems Engineering provides engineering students and professionals with a collection of state-of-the-art methodological and technological notions to support the development and certification of ‘real-time safety-critical’ railway control systems, as well as the protection of rail transportation infrastructures.

Positive Train Control

Positive Train Control PDF

Author: Susan A. Fleming

Publisher:

Published: 2013-10-17

Total Pages: 47

ISBN-13: 9781457848971

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In the wake of a 2008 commuter train collision that resulted in 25 fatalities, the Rail Safety Improvement Act of 2008 (RSIA) was enacted. It requires major freight railroads, Amtrak, and commuter railroads to install positive train control (PTC) on many major routes by the end of 2015. PTC implementation, overseen by the Federal Railroad Administration (FRA), is a complex endeavor that touches almost every aspect of train operations on major lines. According to FRA, 37 railroads are required to implement PTC. This report examined the status of PTC implementation. It discusses, among other things, railroads' implementation of PTC to date and the challenges, if any, to meeting the 2015 deadline. Tables and figures. This is a print on demand report.

Railroad Signaling

Railroad Signaling PDF

Author: Brian Solomon

Publisher: Voyageur Press

Published: 2003-11-01

Total Pages: 160

ISBN-13: 1616738979

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From the 1830s to today, the railroad industry has developed myriad complex mechanisms to help keep North America’s railroad rights-of-ways safe, efficient, and relatively accident-free. In this paperback rerelease of the successful 2003 title, the otherwise-arcane world of railroad signaling is explained in concise language and brought to life with nearly 200 fantastic photographs that depict signaling history and all aspects of modern operations. Author and photographer Brian Solomon brings his wealth of knowledge and photographic talent to a subject that has not often been tackled in book form, yet is integral to the American railroad experience.

Train Wreck

Train Wreck PDF

Author: George Bibel

Publisher: JHU Press

Published: 2012-10-07

Total Pages: 368

ISBN-13: 1421405903

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Trains are massive—with some weighing 15,000 tons or more. When these metal monsters collide or go off the rails, their destructive power becomes clear. In this book, George Bibel presents riveting tales of trains gone wrong, the detective work of finding out why, and the safety improvements that were born of tragedy. Train Wreck details 17 crashes in which more than 200 people were killed. Readers follow investigators as they sift through the rubble and work with computerized event recorders to figure out what happened. Using a mix of eyewitness accounts and scientific explanations, Bibel draws us into a world of forensics and human drama. Train Wreck is a fascinating exploration of• runaway trains• bearing failures• metal fatigue• crash testing • collision dynamics• bad rails

Electromagnetic Compatibility in Railways

Electromagnetic Compatibility in Railways PDF

Author: Ade Ogunsola

Publisher: Springer Science & Business Media

Published: 2012-08-14

Total Pages: 545

ISBN-13: 3642302815

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A railway is a complex distributed engineering system: the construction of a new railway or the modernisation of a existing one requires a deep understanding of the constitutive components and their interaction, inside the system itself and towards the outside world. The former covers the various subsystems (featuring a complex mix of high power sources, sensitive safety critical systems, intentional transmitters, etc.) and their interaction, including the specific functions and their relevance to safety. The latter represents all the additional possible external victims and sources of electromagnetic interaction. EMC thus starts from a comprehension of the emissions and immunity characteristics and the interactions between sources and victims, with a strong relationship to electromagnetics and to system modeling. On the other hand, the said functions are achieved and preserved and their relevance for safety is adequately handled, if the related requirements are well posed and managed throughout the process from the beginning. The link is represented by standards and their correct application, as a support to analysis, testing and demonstration.