Poor transit ride quality may not be an indicator of unsafe operation but may point to a vehicle or to an area of track that needs maintenance to prevent further geometry degradation. TCRP Web-Only Document 76: Performance-Based Track Geometry, Phase 3 , from TRB's Transit Cooperative Research Program, helps to develop methods to identify track conditions and locations that cause poor ride qual...

Command-level decision making is a critical factor in successfully managing and mitigating critical incidents. The TRB Transit Cooperative Research Program's TCRP Web-Only Document 75: Command-Level Decision Making for Transportation Emergency Managers is a document done in collaboration with TRB's National Cooperative Highway Research Program (NCHRP) and Airport Cooperative Research Program (A...

Joint development is a subset of transit‐oriented development. It consists of residential, commercial, civic, or mixed‐use development that is closely coordinated with a transit facility and in which the transit agency participates through the use of its property, funding, or some other form of real estate or business transaction. The TRB Transit Cooperative Research Program's TCRP Web-Only Doc...

There are three major perspectives on transit reliability: from the customer, agency, and operator points of view. The TRB Transit Cooperative Research Program's TCRP Web-Only Document 72: Developing a Guide to Bus Transit Service Reliability finds, through a transit agency survey, that most agencies do not have a formal bus service reliability improvement program. The guidebook presents a fram...

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 term...

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 servic...

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...

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...

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-an...

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 A...

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 Cooperat...

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 treatme...

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 ...

TRB Transit Cooperative Research Program (TCRP) Web-Only Document 63: Treatments Used at Pedestrian Crossings of Public Transit Rail Services presents methods and research activities that informed the development of TCRP Report 175: Guidebook on Pedestrian Crossings of Public Transit Rail Services . The research activities conducted to develop the Guidebook include conducting a literature ...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 62: Standardizing Data for Mobility Management explores opportunities for the standardization of data relevant to mobility management systems. The report focuses on near-term and long-term objectives.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 61: Millennials and Mobility: Understanding the Millennial Mindset and New Opportunities for Transit Providers is designed to help public transit providers increase ridership by better understanding Millennials lifestyle and mobility decision-making processes. A quantitative survey was used in the development of TCRP Web-Only D...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 60 and National Cooperative Highway Research Program (NCHRP) Web -Only Document 200: Command-Level Decision Making for Transit Emergency Managers describes a Transit Emergency Response Application (TERA) that is designed to train transit command-level decision makers through simulation guided experiential learning. TERA provide...

The TRB Transit Cooperative Research Program's TCRP Web-Only Document 74: Recent Decline in Public Transportation Ridership: Hypotheses, Methodologies, and Detailed City-by-City Results provides supplemental information to TCRP Research Report 231: Recent Decline in Public Transportation Ridership: Analysis, Causes, and Responses , which delves into exploring ridership losses already being expe...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 59: Using Pictograms to Make Transit Easier to Navigate for Customers with Communication Barriers explores whether pictograms–picture-based communication tools that use illustrations with few or no words–can be effective in communicating emergency information and behavioral modification to people with communication challenges&n...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 58: Methods for Forecasting Demand and Quantifying Need for Rural Passenger Transportation supplements TCRP Report 161 by describing how the research team developed the report’s need and demand estimation methods, the findings of the analyses, and recommendations for functions to be used in estimation of need and demand. TCRP R...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 57: Audience Measurement for Transit Advertising explores the development of methods for measuring the various segments of transit advertising media, including bus exteriors, bus and railcar interiors, and in-station advertising. • Appendix C – Transit Media Buyer/Planner Survey Responses • Appendix D – Transit Media Buyer/Plan...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 56: Methodology for Determining the Economic Development Impacts of Transit Projects explores development of a method for transit agencies to assess whether and under what circumstances transit investments have economic benefits that are in addition to land development stimulated by travel time savings. As part of the project a...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 55: Assessing and Comparing Environmental Performance of Major Transit Investments is the final report of the research project that was used to produce TCRP Research Results Digest 105: Summary of Research Findings: Assessing and Comparing Environmental Performance of Major Transit Investments .

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 53: Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH presents the findings of a micro-simulation modeling study that explored the impacts of higher light rail vehicle speeds on intersection safety.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 54: Developing, Enhancing, and Sustaining Tribal Transit Services: Final Research Report describes the research project that resulted in development of TCRP Report 154: Developing, Enhancing, and Sustaining Tribal Transit Services: A Guidebook .

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 52: Performance-Based Track Geometry explores ride quality literature, vehicle characterization and on-track ride quality testing, track geometry measures, and NUCARS' (a railway multi-body dynamics computer program) modeling and simulation capabilities. The research highlighted in TCRP Web-Only Document 52 is the first phase o...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 51: Guiding the Selection and Application of Wayside Energy Storage Technologies for Rail Transit and Electric Utilities is designed to help identify and implement effective wayside energy storage systems for rail transit.  Energy storage applications addressed in the report include braking energy recapture, power quality ...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 50: Survey Instrument, Productivity Charts, and Interview Protocol for Case Studies for TCRP Report 142 contains the appendixes for TCRP Report 142. TCRP Report 142 : Vehicle Operator Recruitment, Retention, and Performance in ADA Complementary Paratransit Operations provides guidance for understanding the r...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 49: Methods for Forecasting Demand and Quantifying Need for Rural Passenger Transportation is designed as a workbook to help planners answer questions regarding the magnitude of the need for public transit services within a geographic area, as well as the annual ridership--i.e. “demand”--that a transit service might be expected...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 48: Ground-Borne Noise and Vibration in Buildings Caused by Rail Transit explores development of a dosage-response relationship useful for predicting community annoyance due to ground vibration produced by rail transit systems.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 47: Guidelines for Rail Base Inspection and Rail Condemnation Limits for Corrosion-Induced Material Loss explores the maximum allowable material loss in the rail base as part of an evaluation of the causes and effects of corrosion on rail base.

TRB’s Transportation Cooperative Research Program (TCRP) Web-Only Document 46: Rural Transit Achievements: Assessing the Outcomes of Increased Funding for Rural Passenger Services under SAFETEA-LU (the Safe, Accountable, Flexible, and Efficient Transportation Equity Act: A Legacy for Users) explores data and information on the changes in rural public and intercity bus transportation that have r...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 45 is the appendixes to   TCRP Report 135 that explores information on available scheduling tools and techniques and their capabilities.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 44: Literature Review for Providing Access to Public Transportation Stations describes the results of the literature review examining various alternatives for providing access to and from stations of new and mature high-capacity public transportation systems, including heavy rail, light rail, commuter rail, and bus rapid transi...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 43: Track Maintenance Costs on Rail Transit Properties examines agency practices, innovations, and lessons learned in track maintenance costs.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 42: Selected Appendices for TCRP Report 137: Improving Pedestrian and Motorist Safety Along Light Rail Alignments contains appendices B through E of TCRP Report 137. TCRP Report 137 examines pedestrian and motorist behaviors contributing to light rail transit safety, explores mitigating measures available designed to impro...

TRB’s Transit Cooperative Highway Research Program (TCRP) Web-Only Document 41: Evaluation of Project Delivery Methods explores pertinent literature and research findings related to various project delivery methods for transit projects.  The report also includes definitions of project delivery methods and highlights the existing selection approaches commonly used by transit agencies. A co...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 40:  Development of Crash Energy Management Performance Requirements for Light-Rail Vehicles explores potential crash scenarios for various light rail vehicle designs and examines applications of the results to develop crash energy management guidelines.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 39, Appendixes to TCRP Report 118: Bus Rapid Transit Practitioner’s Guide includes the appendixes to TCRP Report 118 .  The appendixes contain summaries of research that analyzed the ability of express bus and bus rapid transit services to attract riders relative to the ability of rail transit to attract riders, describes...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 38--Appendixes to TCRP Report 86: Public Transportation Passenger Security Inspections, A Guide for Policy Decision Makers contains the detailed appendixes to TCRP Report 86 Vol. 13 . TCRP Report 86 Vol. 13 suggests guidance that a public transportation agency may use when considering whether, where, when, and how to introduce...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 37: Rail Base Corrosion Detection and Prevention explores corrosion effects currently experienced by rail transit systems; examines a finite element analysis and flaw growth model; and investigates inspection, prevention, and monitoring guidance of rail base corrosion.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 36, Appendixes to TCRP Report 117: Design, Operation, and Safety of At-Grade Crossings of Exclusive Busways contains appendixes A through I of TCRP Report 117 .

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 35, Appendixes to TCRP RRD 84: Audible Signals for Pedestrian Safety in LRT Environments includes details of a survey that was used to produce TCRP Research Results Digest 84.

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document: 34 Guidebook for Evaluating, Selecting, and Implementing Suburban Transit Services examines the status of suburban transit from operational and land-use perspectives and describes the development of guidelines for evaluating, selecting, and implementing those services.  The guidelines were published as TCRP Report ...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 33: The Federal Transit Act, as Amended through August 10, 2005, and Related Laws is designed as a quick reference for the text of statutes authorizing and governing the federal public transportation program and the Federal Transit Administration (FTA).   The report is not an official source for citation purpos...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 32: Elements Needed to Create High-Ridership Transit Systems: Interim Guidebook examines types of actions, initiatives, and special projects that offer the potential to improve transit ridership and provides examples of their effective use and impacts.  The report is designed to assist transit managers and their staff, po...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 31: Managing Capital Costs of Major Federally Funded Public Transportation Projects: Contractor's Final Report explores strategies, tools, and techniques to better estimate, contain, and manage capital costs of federally funded public transportation projects based, in part, on the experience of the case study projects.&n...

TRB’s Transit Cooperative Research Program (TCRP) and National Cooperative Highway Research Program have jointly produced and published Improving Pedestrian Safety at Unsignalized Crossings: Appendices B to O.  The product, which can be referred to as TCRP Web-Only Document 30 or NCHRP Web-Only Document 91, consists of the appendices to TCRP Report 112/NCHRP Report 562 (Improving Pe...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 29: Cost-Benefit Analysis of Providing Non-Emergency Medical Transportation (NEMT) examines the relative costs and benefits of providing transportation to non-emergency medical care for individuals who miss or delay healthcare appointments because of transportation issues.  The report includes a spreadsheet to help local ...

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 28 contains the appendixes to TCRP Research Results Digest 74: Train Door Systems Analysis .  The appendixes include a train door database design document, a description of design information available at traindoors.com, instructions on getting train door information into traindoors.com, and a history on the train door pr...

TRB’s Transit Cooperative Research Program (TCRP) Web Only Document 27: Appendixes to TCRP Report 107: Analyzing the Effectiveness of Commuter Benefits Programs includes information on TCRP Report 107’s methodology, summary tables, survey descriptions, case studies, and more.

TRB’s Transit Cooperative Research Program (TCRP) Web Document 26: TravelMatters: Mitigating Climate Change with Sustainable Surface Transportation reviews TCRP Project H-21: Combating Global Warming with Sustainable Surface Transportation Policy, which created a research report (TCRP Report 93) and TravelMatters Website with information for individuals and transit agencies on the greenhouse g...

TRB's Transit Cooperative Research Program (TCRP) Web Only Document 25, Public Transportation Emergency Mobilization Guide: Appendix B—Survey of U. S. Public Transportation Systems includes additional information on the survey used as input on TCRP Report 86: Public Transportation Security, Volume 7 with the same title.  TCRP Report 86 examines actions that may be taken by public transpor...

TRB’s Transit Cooperative Research Program (TCRP) Web Document 24: The Public Transportation Board Effectiveness Study describes the process used to develop the Public Transit Board Self-Assessment Handbook.

TRB's Transit Cooperative Research Program (TCRP) Web Document 23: Uses of Archived AVL-APC Data To Improve Transit Performance and Management: Review and Potential provides a review of needs, practice, and potential in relation to the use of archived automatic vehicle location (AVL) and automatic passenger counter (APC) data.

TRB's Transit Cooperative Research Program (TCRP) Web Document 22: Public Agency Guidance on Employer-Based TDM Programs and Employer Technical Memorandum Characteristics of Effective TDM Programs, is designed to assist public agencies and employers in developing more cost-effective transportation demand management (TDM) programs. Part A (1.9MB), Part B (4.5MB), Part C (2.0MB), Part D (2.2MB),...

TRB's Transit Cooperative Research Program (TCRP) Web Document 21: Public Transit System Policy Boards: Organization and Characteristics reports on the organization, characteristics, and effectiveness of contemporary public transit boards.

TRB’s Transit Cooperative Research Program (TCRP) Web Document 20: Advanced Public Transportation Systems (APTS) for Rural Areas: Where Do We Start? How Far Should We Go? provides a framework to assist rural and small urban transit systems in conducting a cost/benefit analysis; determines how rural and small urban public transit systems can benefit from cooperative arrangements; documents the ...

TRB’s Transit Cooperative Research Program (TCRP) Web Document 19: An Evaluation of Bus Bulbs on Transit, Traffic, and Pedestrian Operations found that bus bulbs are appropriate at sites with high patron volumes along crowded city sidewalks and where parking along the curb is permitted.  

TRB’s Transit Cooperative Research Program (TCRP) Web Document 18: Developing Useful Transit-Related Crime and Incident Data examines methods for collecting, analyzing, and using data on transit-related crime to make decisions on personnel deployment and allocation of security resources.  

TRB’s Transit Cooperative Research Program (TCRP) Web Document 17: Applications for Improved Inventory Management for Public Transit Systems examines the relationships between inventory control factors and management performance, the conditions under which inventory management techniques are best applied, and implementation issues and solutions to potential problems when applying the inventory...

TRB’s Transit Cooperative Research Program (TCRP) Web Document 16: Welfare to Work: Integration and Coordination of Transportation and Social Services examines the role of transportation in supporting welfare-to-work initiatives and identifies practical strategies to improve access to job opportunities for former welfare recipients making the transition to work.

TRB’s Transit Cooperative Research Program (TCRP) Web Document 15: Guidelines for the Effective Use of Uniformed Transit Police and Security Personnel develops guidelines for the effective use of uniformed transit police and security personnel.

TRB’s Transit Cooperative Research Program (TCRP) Web Document 14: Using Geographic Information Systems (GIS) for Welfare to Work Transportation Planning and Service Delivery--Case Studies (2000) examines the use of GIS technology by transit agencies for planning and service delivery.  

TRB’s Transit Cooperative Research Program (TCRP) Web Document 13: The Cost of Meeting Accessibility Requirements for Over-the-Road Buses addresses the cost of over-the-road bus (OTRB) operators for complying with the final OTRB Accessibility Rule of the Americans with Disabilities of 1990 (ADA).  This report presents ranges of estimates for capital, training, and maintenance cost – withi...

TRB’s Transit Cooperative Research Program (TCRP) Web Document 12: provides an interpretive documentation of how travel demand and the usage of transportation facilities and services are affected by various types of transportation system changes.

TRB’s Transit Cooperative Research Program (TCRP) Web Document 11: Implementation Guide: Integrating School Bus and Public Transportation Services in Non-Urban Communities identifieds the types of coordination that currently exist in rural communities.  It also explores in the barriers and challenges to establishing coordinated services.  

TRB’s Transit Cooperative Research Program (TCRP) Web Document 10: Bar coding in  Mass Transit Operations and Maintenance evaluates the specific applications of bar coding in transit, identifies the appropriate, technology, and providing a managerial road map for the implementation process.  

TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 6: Transit Capacity and Quality of Service Manual contains background, statistics, and graphics providing orientation to the various types of public transportation, and it introduces a new framework for measuring transit availability and quality of service from the passenger point of view. For more information, view TCRP's Tran...