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 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. The manual contains quantitative techn...

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...