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.
General
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