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Rights & Permissions Free PDF Access Sign in to download PDF book and chapters Free Resources Display this book on your site! Related Titles NCFRP Report 7: Identifying and Using Low-Cost and Quickly Implementable Ways to Address Freight-System Mobility Constraints Policy Options for Intermodal Freight Transportation: Special Report 252 Other Related Titles TCRP Report 130: Shared Use of Railroad Infrastructure with Noncompliant Public Transit Rail Vehicles: A Practitioner's Guide (2009) Transit Cooperative Research Program (TCRP) Citation Manager Export the bibliographic data for this book in your chosen format Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Citation Manager Transportation Research Board. "Appendix 8 - Shared-Track System Status." TCRP Report 130: Shared Use of Railroad Infrastructure with Noncompliant Public Transit Rail Vehicles: A Practitioner's Guide. Washington, DC: The National Academies Press, 2009. Please select a format: Page 106   E-mail Share on facebook Facebook Share on delicious Delicious Share on stumbleupon Stumble Share on twitter Twitter More Sharing ServicesMore Page 106 Front Matter (R1-R12) Research Objective (1-1) Report Output (2-2) Business Case (3-4) Train Control Technology (5-5) Grade Crossing Hazards (6-6) Requirements for Concurrent Shared-Track Operations (7-7) Practical Shortcuts (8-8) Advancing the Shared-Track Concept (9-9) Introduction (10-10) Reader's Guide to the Final Report (11-11) Scope of Work for Project A-27 (12-12) Research Approach (13-13) Characteristics of a Shared-Track Corridor (14-14) Freight Operations Perspective (15-16) Why Share Track? (17-17) The Business Model (18-18) Business Model Structure (19-19) The Business Case (20-20) Shared-Track - A Practical Business Case Structure (21-22) Role of the Designated State Safety Organization (23-23) Methods for Risk Analyses (24-24) Equal Risks, Equivalent Safety (25-25) Underpinning the Case for Shared-Track (26-26) The Role of Command and Control Systems in Shared-Track (27-27) 1) Train Control System Functions (28-28) 2) Train Control System Design Parameters (29-29) 4) Train Control - Emerging Technology - PTC and CBTC (30-30) System and Integration Testing - Vendor Role (31-31) 8) Issues Unique to Train Control for Shared-Track (32-32) Auxiliary Safety Critical Systems (33-33) 9) Fail-Safe Train Separation (34-35) 2) Regulatory and Practical Requirements (36-37) 4) Functional Design of a Communications System (38-38) 2) Regulatory Mandates (39-39) 4) The Rulebook (40-40) 5) Rules and Procedures for Shared-Track (41-41) Background (42-42) 2) Diesel Multiple Units and Electrical Multiple Units (43-43) 2) Crash Energy Management (CEM) (44-44) 3) Propulsion System (45-45) 5) Other Considerations (46-46) Vehicles for Shared-Track Applications (47-47) 3) Standardization (48-48) Applying Technology to Shared-Track Operations - A Brief Guide (49-50) Shared-Track Operations - The North American Experience (51-51) 2) Former Private Freight Railroad Owner Becomes a Privileged Tenant (52-52) 4) Pressure to Commingle Is Heaviest on Lines with Higher Freight Densities* - A Review of Different Solutions (53-53) 6) Transit Operators Choosing to Avoid Commingling Sacrificed Service Quality and Efficiency (54-54) Business Case Template (55-55) Alternatives Analysis (56-56) Reasons to Consider Noncompliant Equipment (57-57) Service Characteristics to Justify the Choice of a Light Rail System (58-58) Structures Considerations (59-59) Cost and Ridership Analyses (60-60) Cost Analysis for Signal System Alternatives (61-62) System Capital Cost Assessment (63-63) System Operating Cost Assessment (64-65) Alternatives Evaluation (66-66) Introduction (67-67) Risk Analysis and Modeling Methodology (68-70) Results and Risk Analysis Findings (71-72) Safety Case Findings (73-73) San Diego Trolley (74-74) Achievable Incremental Steps (75-75) Practical Shortcuts For Shared-Track (76-76) Demonstration Project (77-77) Application of Risk Analyses Methodology to the Demonstration Project (78-78) Data Collection Plan (79-79) San Diego Trolley, Inc. (80-80) Barriers to Implementation (81-81) Shared Track - The Potential Market (82-82) Shared-Track Operation - An Evolving Concept (83-84) Bibliography (85-86) Appendix 1 - Abbreviations (87-87) Appendix 2 - Glossary of Shared-Track Definitions (88-92) Appendix 3 - TCRP A-27 Research Task Descriptions (93-97) Appendix 4 - Relative Cost Comparison of Train Control Systems (98-99) Appendix 5 - Sample Operating Rulebook Table of Contents (100-100) Appendix 6 - Vehicle Cost Drivers (101-101) Appendix 7 - Some Examples of Current Production LRV and MU Vehicle Types (102-105) Appendix 8 - Shared-Track System Status (106-106) Appendix 9 - Shared-Track Configuration and Operational Alternatives (107-109) Abbreviations used without definitions in TRB publications (110-110)

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APPENDIX 8 Shared-Track System Status Existing or Planned Operating Configurations Active or Planned Share Track with Joint Operation Non-Compliant Sharing Track in Recent Past Shared Track First Year of Track Miles Planning to Separation Night-time Operation Currently Temporal Vehicles Limited Shared Status System MTA Baltimore Light Rail, North 1988 10.9 Line, Baltimore, Md. OCTranspo Capital Railway 2003 5.0 "Ottawa O-Train", Ont. Operating Utah Transit Authority, TRAX Sandy 2001 12.0 Line, Salt Lake City, Utah NJ Transit, River LINE 2004 33.0 San Diego Trolley Inc., Blue & Orange 1981 31.1 Lines, San Diego, Calif. NJ Transit, Newark City Subway, 1999 0.2 n/a * Newark NJ North County Oceanside-Escondido 2006 22.0 Design Final SPRINTER, Calif. Capital Metro, Northwest Austin 2008 33.0 "Commuter Rail", Austin Tex. MARTA, Belt Line, Atlanta, Ga. n/a ~8 Madison, Wis. Transport 2020 Study n/a ~12 BART, I-80 "eBART" Feasibility Study n/a ? ~10 EIS BART, I-580 Corridor Transit Study n/a ? ~14 Sonoma-Marin Area Rail Transit, n/a ? ? ? ? Marin County, Calif. Denton County Transportation Feasibility n/a ~14 Authority, Denton to Carrollton, Tex. Five Town Rural Transit, Inc., n/a ? ? ? ? East End Shuttle, Suffolk County, NY Triangle Transit, 2008 0.0 Raleigh-Durham Regional Rail, N.C. Chose to Avoid Tri-Met, Washington County Commingling 2008 0.0 Commuter Rail, Ore. NJ Transit, Northern Branch Rail n/a 0.0 Project, North Bergen to Tenafly, N.J. FDOT, Central Florida Commuter 2009 0.0 Corridor Study, Fla. BART, State Route 4 Transit Study n/a 0.0 Active Planned Not active ? Not determined Source: E&K Analysis based on FRA Data, FRA Dockets, and local plans. * Newark City Subway has provisions for dynamic temporal separation. Light rail and freight trains do not operate on shared-track at the same time, but the track can be changed at any time between passenger and freight modes by having the freight train conductor request a mode change from the NJ Transit dispatcher. 106