|An Expanded Functional Classification System for Highways and Streets
April 23, 2017
TRB's National Cooperative Highway Research Program (NCHRP) has released a pre-publication, non-edited version of Research Report 855: An Expanded Functional Classification System for Highways and Streets. This report builds upon preliminary engineering of a design project, including developing the purpose and need. In particular, it provides additional contexts beyond urban and rural, facilita...
|Challenges to CV and AV Applications in Truck Freight Operations
April 15, 2017
TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 231: Challenges to CV and AV Applications in Truck Freight Operations explores connected vehicle (CV) and automated vehicle (AV) technology, focusing on heavy trucking. The report identifies existing and emerging freight regulatory, planning, policy, and operational environments and challenges for connected and autono...
|TR News January-February 2017: The Promises and Risks of Innovation
March 17, 2017
Lessons learned from state innovations is the focus of feature articles in the January-FebruaryTR News. Articles cover information about laws affecting driverless vehicles, the freight project selection process, environmental performance measures, and sharing operations data. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practi...
|TR News November-December 2016: Freight Transport in a Low-Carbon World (Feature Article)
February 3, 2017
A featured article in the November-December 2016 issue of the TR News highlights the challenges of freight transportation with regards to meeting new emissions standards. The TR News is TRB's bimonthly magazine featuring timely articles on innovative and state-of-the-art research and practice in all modes of transportation. It also includes brief news items of interest to the transportation com...
|TR News November-December 2016: Freight Transport in a Low-Carbon World
January 27, 2017
Freight transport in a low-carbon world is the focus of feature articles in the November-December TR News. Articles cover information about shaping the federal aid road act, GIS asset management, cross-asset resource allocation, and long-term performances and life-cycle cost of stormwater management. The TRB 2016 Annual Report is included in this edition of the TR News. The TR News is TRB's bim...
|Guide for Integrating Goods and Services Movement by Commercial Vehicles in Smart Growth Environments
January 7, 2017
TRB's National Cooperative Highway Research Program (NCHRP) has released a pre-publication, non-edited version of Research Report 844: Guide for Integrating Goods and Services Movement by Commercial Vehicles in Smart Growth Environments. The report describes policy, planning, design, and operations practices considering the coexistence of moving goods and services in smart growth environments a...
|Railroads Volume 2
September 16, 2016
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2546 consists of 16 papers that explore safety management, school transportation, and safety workforce development, including: Operational Schedule Flexibility and Infrastructure Investment: Capacity Trade-Off on Single-Track Railways Heterogeneous Valuation of Quality Dimensions of Railway Freight Service b...
|Freight Systems, Volume 2
August 26, 2016
TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2548 consists of 12 papers addressing freight systems issues, including: Truck Appointment Systems: Where We Are and Where to Go from Here Truck Fleet of Northern Plains Grain Farms Schedule Coordination, Delay Propagation, and Disruption Resilience in Intermodal Logistics Networks Dynamic Model for System-L...
|Freight Systems, Volume 1
August 24, 2016
TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2547 consists of 13 papers addressing freight systems issues, including: Characterization of International Origin–Destination Truck Movements Across Two Major U.S.–Canadian Border Crossings Investigation of Commercial Vehicle Parking Permits in Toronto, Ontario, Canada Effects of Safety Chains on Dynamics of...
|Multi-State, Multimodal, Oversize/Overweight Transportation
August 22, 2016
TRB’s National Cooperative Highway Research Program (NCHRP) Report 830: Multi-State, Multimodal, Oversize/Overweight Transportation is a compilation of existing permitting requirements for the transportation of oversize/overweight (OSOW) freight throughout the United States. It identifies and presents information about state-by-state differences in OSOW road transportation regulations and permi...
|Marine Transportation and International Trade
August 14, 2016
TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2549 consists of 12 papers addressing marine transportation and international trade, including: Approach Integrating Mixed-Integer Programming and Constraint Programming for Planning Rotations of Inland Vessels in a Large Seaport Use of Nationwide Automatic Identification System Data to Quantify Resiliency o...
|TR News March-April 2016: Research Convergence for a Multimodal Future
May 27, 2016
A featured article in the March-April 2016 issue of the TR News highlights photos from the 95th TRB Annual Meeting, January 10-14, 2016. The article features photographs of sessions, workshops, committee meetings, and awards. Dr. Hani Mahmassani, William A. Patterson Distinguished Chair in Transportation and professor, Northwestern University, and Director, Northwestern University Transportatio...
|Guidelines for Certification and Management of Flexible Rockfall Protection Systems
May 18, 2016
TRB's National Cooperative Highway Research Program (NCHRP) Report 823: Guidelines for Certification and Management of Flexible Rockfall Protection Systems provides advice on rockfall fence systems for transportation agencies. It also outlines data that are needed to evaluate the results of rockfall fence systems tested using the procedure recommended for acceptance. Finally, the report present...
|Transformational Technologies in Transportation: State of the Activities
May 12, 2016
TRB's Transportation Research E-Circular 208: Transformational Technologies in Transportation: State of the Activities explores the status and applications of transportation goods, services, and systems that fall under the umbrella of transformational techology. Key transformational technologies include connected and automated vehicles, including shared use services; unmanned aerial systems (dr...
|Advancing Freight Fluidity Performance Measures: Summary of a Workshop
May 10, 2016
TRB's E-Circular 207: Advancing Freight Fluidity Performance Measures: Summary of a Workshop details a December 9–10, 2015 workshop that examined the development and use of freight fluidity performance measures and related analysis techniques to improve the freight transportation system. Participants discussed the opportunities and challenges associated with expanding the use of freight fluidit...
|Trends and Issues in Marine Transportation and the Environment
April 8, 2016
TRB E-Circular 206: Trends and Issues in Marine Transportation and the Environment explores urgent and far-reaching research topics pertinent to marine transportation and environmental issues. Subjects explored in this E-Circular include marine emissions and air quality impacts, including alternative fuels, human health impacts, improving marine vessel emission inventory methods, emission reduc...
|Commercial Motor Vehicle Driver Fatigue, Long-Term Health, and Highway Safety: Research Needs
March 19, 2016
The National Academies of Sciences, Engineering, and Medicine has released a report that assesses the state of knowledge about the relationship of such factors as hours of driving, hours on duty, and periods of rest to the fatigue experienced by truck and bus drivers while driving and the implications for the safe operation of their vehicles. The report evaluates the relationship of these facto...
|Commodity Flow Survey Workshop
March 11, 2016
TRB E-Circular 205: Commodity Flow Survey Workshop highlights an October 29, 2015 workshop that explored the Commodity Flow Survey (CFS), a data source for many freight planning activities. Workshop participants collaborated with the U.S Department of Transportation (DOT) Bureau of Transportation Statistics (BTS) to provide input to the next application of the survey. Input was provided to help...
|Enhancing Sleep Efficiency on Vessels in the Tug/Towboat/Barge Industry
January 25, 2016
TRB's National Cooperative Freight Research Program (NCFRP) Report 36: Enhancing Sleep Efficiency on Vessels in the Tug/Towboat/Barge Industry provides best practices to improve an operator's sleep and reduce operator fatigue in the United States inland waterway industry, including the use of anchor-sleep/nap-sleep strategies. NCFRP Report 36 identifies and describes the metrics that could be u...
|Review of the 21st Century Truck Partnership, Third Report
December 9, 2015
The National Academy of Science, Engineering, and Medicine’s Committee on Review of the 21st Century Truck Partnership has released a report that explores the research and development projects carried out by the 21st Century Truck Partnership (21CTP), which was formed in 2001 to reduce fuel usage and emissions in trucks of Classes 3 through 8. The third report of the review committee builds on ...
|Freight Systems: Urban Freight and Trucking, Volume 2
October 23, 2015
TRB’s Transportation Research Record: Journal of the Transportation Research Board No. 2478 consists of 14 papers that examine urban freight and trucking issues, including: Sustainable Freight: Impacts of the London Congestion Charge and Low Emissions Zones Impacts of Environmental Access Restrictions on Freight Delivery Activities: Example of Low Emissions Zones in Europe Modeling Safety...
|Railroads: Freight and Passenger Systems, Vol. 1
October 21, 2015
TRB’s Transportation Research Record: Journal of the Transportation Research Board No. 2475 consists of 12 papers that explore rail freight and passenger systems, including: Getting Up to Speed: Assessing Usable Knowledge from Global High-Speed Rail Experience for the United States New High-Speed Rail Lines and Market Competition: Short-Term Effects on Services and Demand in Italy High-Speed Ra...
|Railroad Legal Issues and Resources
October 6, 2015
TRB’s National Cooperative Rail Research Program (NCRRP) Legal Research Digest 2: Railroad Legal Issues and Resources presents legal issues of importance that attorneys may encounter when representing both freight and passenger railroad owners, and operators involved in railroad-related transactions. Issues explored in the report range from abandonment and discontinuance to constitutional law, ...
|Guidebook for Air Cargo Facility Planning and Development
October 2, 2015
TRB’s Airport Cooperative Research Program (ACRP) Report 143: Guidebook for Air Cargo Facility Planning and Development explores tools and techniques for sizing air cargo facilities, including data and updated metrics for forecasting future facility requirements as a function of changing market and economic conditions. The procedures included in the report may help airport operators develop eff...
|Air Cargo Facility Planning and Development—Final Report
October 2, 2015
TRB’s Airport Cooperative Research Program (ACRP) Web-Only Document 24: Air Cargo Facility Planning and Development—Final Report reviews the process and information used in preparing ACRP Report 143 : Guidebook for Air Cargo Facility Planning and Development. The guidebook explores tools and techniques for sizing air cargo facilities, including data and updated metrics for forecasting future fa...
|Modernizing Freight Rail Regulation
September 24, 2015
TRB Special Report 318: Modernizing Freight Rail Regulation examines the future role of the Surface Transportation Board (STB) in overseeing and regulating the service levels and rate offerings of railroads, particularly as they become revenue adequate. The approaches recommended in this congressionally-requested report are intended to resynchronize a regulatory program that has become outdated...
|Freight Systems Volume 1: Economics, Planning, Logistics
August 28, 2015
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2477 consists of 11 papers covering the following topics relating to freight systems: Effects on Voter Participation and Unionization Activity from Changes in Railway Labor Act Election Rules Estimating Link Travel Time with Sparse GPS Data on Highway Corridors Estimation of Seasonal Daily Traffic Flow of Ag...