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High Speed Rail Planning, Policy, and Engineering, Volume II by Terry L. Koglin

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CHAPTER 10

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INITIAL LINE IMPROVEMENTS

This chapter is limited to civil engineering work. Discussion of equipment is limited to its relationship to the track. No discussion of signals, centralized traffic control, or positive train control is included. Although the basic principles apply generally, these subjects are specialized;each railroad application is a special case and only those experts who have considerable experience in them are qualified to deal with them. Positive train control, which takes some situations requiring emergency stops out of the hands of the person driving the train, has been in existence in some form for almost 100 years but is still an ephemeral topic as the United States Congress has mandated ...

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