TRB's Transit Cooperative Research Program (TCRP) Web-Only Document 71: A Transit Agency Guide to Evaluating Secondary Train Detection/Protection Systems in Communications-Based Train Control Systems provides a practical approach to evaluating the appropriate level of secondary train detection/protection systems (STD/PS) for a given communications-based train control system application. In terms of detection, track circuits and axle counters are both considered and compared, including the broken rail det...

TRB's Transit Cooperative Research Program (TCRP) Web Only Document 70: Improving the Resilience of Transit Systems Threatened by Natural Disasters, Volume 2: Research Overview summarizes elements of the research effort that offers practices for transit systems of all sizes to absorb the impacts of disaster, recover quickly, and return rapidly to providing the services that customers rely on to meet their travel needs. It also explores additional research needs that have been identified during the course...

TRB's Transit Cooperative Research Program (TCRP) Web Only Document 70: Improving the Resilience of Transit Systems Threatened by Natural Disasters, Volume 1: A Guide offers practices for transit systems of all sizes to absorb the impacts of disaster, recover quickly, and return rapidly to providing the services that customers rely on to meet their travel needs. The report shows how to identify and implement appropriate resilience strategies to strengthen operations and infrastructure throughout an agenc...

TRB's Transit Cooperative Research Program (TCRP) Web Only Document 70: Improving the Resilience of Transit Systems Threatened by Natural Disasters, Volume 3: Literature Review and Case Studies includes appendicies that outline the literature reviewed and 17 case studies that explore how transit agencies absorb the impacts of disaster, recover quickly, and return rapidly to providing the services that customers rely on to meet their travel needs. The report is accompanied by Volume 1: A Guide ,  Vol...

TRB's Transit Cooperative Research Program (TCRP) Web-Only Document 69: Decision-Making Toolbox to Plan and Manage Park-and-Ride Facilities for Public Transportation: Research Report and Transit Agency Case Studies supplements TCRP  Research Report 192 : Decision-Making Toolbox to Plan and Manage Park-and-Ride Facilities for Public Transportation: Guidebook on Planning and Managing Park-and-Ride. TCRP Web-Only Document 69 presents information gathered in the development of the guidebook, summarizes ...

TRB's Transit Cooperative Research Program (TCRP) Web-Only Document 68: Developing an ITS Technology Web Portal for Transit System Leaders documents the creation of a prototype portal that assists transit agency leaders with learning about technologies that can be applied to transit operations. When fully implemented, the ITS Technology Portal will reside on the American Public Transportation Association (APTA) membership portal.

TRB's Protection of Transportation Infrastructure from Cyber Attacks: A Primer provides transportation organizations with reference materials concerning cybersecurity concepts, guidelines, definitions, and standards. The primer is a joint product of two TRB Cooperative Research Programs, and is categorized as Transit Cooperative Research Program (TCRP) Web-Only Document 67 and National Cooperative Highway Research Program (NCHRP) Web-Only Document 221. The Primer delivers strategic, management, and plann...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 66: Improving Transportation Network Efficiency Through Implementation of Transit-Supportive Roadway Strategies documents the research methodology used to develop TCRP Report 183 : A Guidebook on Transit-Supportive Roadway Strategies. The web-only document provides detailed information on when these transit preferential treatments are applied and how they are designed. TCRP Report 183 provides guidance for transit and roadway agency staf...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 65: Wheel Profile Maintenance Guidelines examines current wheel profiles and maintenance practices, design and maintenance guidelines for rail transit operation, and the development of new wheel profiles for the Port Authority Trans-Hudson.

TRB Transit Cooperative Research Program (TCRP) Web-Only Document 64: Performance Based Track Geometry Phase 2 explores a track inspection method known as performance based track geometry, and explores the potential for this method to be applied in transit to optimize maintenance and ride quality. This report, as well as others in this TCRP project series, explores the extent to which research performed for the U.S. Federal Railroad Administration and freight railroads can be applied to benefit the trans...