Shared Use of Railroad Infrastructure with Noncompliant Public Transit Rail Vehicles: A Practitioner's Guide (2009) / Chapter Skim
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• What are the viable business models? • How would shared use affect a current freight carrier and the rail corridor operations?
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The findings, exposition, and analysis contained in the earlier tasks make a coherent case for Phase II, development of analysis tools and products to further future sharedtrack operations. Phase II Tasks 7–12 examine characteristics of freight railroads, financing, and parameters and metrics for a business model, a business case template, a risk analysis template and a demonstration project recommendation.
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. Business Model If the advantages lead to the selection of a shared-track alternative, then the business model should guide the subsequent decision making.
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Realistic or not, concern is increased with noncompliant vehicles Disparate speeds and weight, structural incompatibility of vehicles increases risk Each incremental change requires approval from the FRA Table 2. Business model for shared-track.
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to a new and entirely separate system. Concurrent shared-track light rail operations provide a mechanism to offer a higher frequency of service than commuter rail, while keeping the capital costs affordable and enhancing urban passenger and freight rail service.
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technology may reduce operating costs, or provide life cycle savings, but well thought-out and appropriate applications of common train control technologies can furnish acceptable safety and fail-safe train separation. Conventional intermittent or audio frequency cab signals are sufficient for a new installation.
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Integrating Technology for Effective Command and Control • Freight carriers and passenger operators must be able to communicate when using the same track. This is fundamental to joint operation regardless of the type of railroad equipment in service.
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• Whatever Command and Control and vehicle technology forms the basis of the sharedtrack operation, it should provide some capacity for service growth by both the passenger and freight operator. Practical Shortcuts 1.
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Barriers to Implementation Research for this project has highlighted some of the advantages and disadvantages of the shared-track concept. None of the disadvantages is insurmountable, if shared-track is the right fit.
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