TRB’s National Cooperative Highway Research Program (NCHRP) Report 748: Guidelines for the Use of Mobile LIDAR in Transportation Applications presents guidelines for the application of mobile 3D light detection and ranging (LIDAR) technology to the operations of state departments of transportation. Mobile LIDAR uses laser scanning equipment mounted on vehicles in combination with global positio...

TRB’s Transit Cooperative Research Program (TCRP) Synthesis 104: Use of Electronic Passenger Information Signage in Transit documents U.S. and international use of electronic passenger information signage in terms of the underlying technology, sign technology, characteristics of the information, resources required, and decision processes used to determine its use.

TRB’s National Cooperative Freight Research Program (NCFRP) Report 25: Freight Data Sharing Guidebook provides a series of guidelines for sharing freight data, primarily between public and private freight stakeholders. The report identifies barriers and motivators to successful data sharing, offers guidelines for freight data sharing, and provides two successful case study examples. The report ...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R06F-RW-1: Assessment of Continuous Pavement Deflection Measuring Technologies catalogues existing continuous deflection measuring technologies and assesses the capabilities of select devices.  It also includes case studies that illustrate the application of the technology for supporting various pavement management dec...

On May 13, 2013, TRB’s Committee for Intelligent Construction Systems and Technology: Program Review sent its first letter report to Victor Mendez, administrator of the Federal Highway Administration (FHWA). The committee provides advice and guidance to the U.S. Federal Highway Administration concerning the conduct of its Intelligent Construction Systems and Technology program. In general, the ...

On May 3, 2013, TRB’s Committee on the Long-Term Stewardship of Safety Data from the Second Strategic Highway Research Program (SHRP 2) sent its first letter report to Victor Mendez, administrator of the Federal Highway Administration; David Strickland, administrator of the National Highway Traffic Safety Administration; and Bud Wright, executive director of the American Association of State Hi...

TRB’s National Cooperative Highway Research Program (NCHRP) Innovations Deserving Exploratory Analysis (IDEA) Final Report for NCHRP-IDEA Project 145: Extraction of Layer Properties from Intelligent Compaction Data examines a methodology that was developed to extract layer elastic modulus/stiffness from composite soil stiffness and global positioning system-based location provided by curre...

TRB Conference Proceedings on the Web 10: Using Census Data for Transportation Applications summaries an October 2011 conference that focused on the critical role of census data in a wide range of transportation planning applications.

TRB’s Conference Proceedings on the Web 9: Meeting Critical Data Needs for Decision Making in State and Metropolitan Transportation Agencies summarizes the result of a December 2011 conference in Irvine, California, that was designed to increase the understanding of the data needs of today’s transportation decision makers. The conference also focused on strategies to help ensure that essential ...

TRB’s second Strategic Highway Research Program (SHRP 2) SHRP 2 Safety Project S08 has released a report titled Initial Analyses from the SHRP 2 Naturalistic Driving Study: Addressing Driver Performance and Behavior in Traffic Safety that summarizes phase 1 work produced by four analysis contracts that were awarded to study specific research questions using early SHRP 2 naturalistic driving stu...

TRB’s National Cooperative Highway Research Program (NCHRP) Legal Research Digest 58: Legal Issues Surrounding the Use of Digital Intellectual Property on Design and Construction Projects is designed to provide an understanding of various legal issues surrounding the use of building information models on transportation design and construction projects. Those legal issues include ownership; upda...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2280 consists of 20 papers that explore setting variable speed limits; hard highway shoulder running; computer vision-based safety evaluations; safety intervention models; safety effectiveness of Super 2 highways; crash occurrence, mountainous freeway geometry, weather, and traffic data; real-time safety eva...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R06B-RW-1: Evaluating Applications of Field Spectroscopy Devices to Fingerprint Commonly Used Construction Materials documents evaluation results of practical, portable spectroscopic equipment for in-situ analysis of a wide range of commonly used construction materials. The report also includes proposed American A...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-C20-RR-1: Freight Demand Modeling and Data Improvement documents the state of the practice for freight demand modeling. The report also explores the fundamental changes in freight modeling, and data and data collection that could help public and private sector decision-makers make better and more informed decisions. SHRP 2 ...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2308 consists of 20 papers that explore patterns of use of transport modes; regional traffic congestion; the detection layout problem; multisensor data integration and fusion; commuters' demographic characteristics; average travel time estimates; short-term travel time prediction; vehicle reidentification an...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R06A-RR-1: Nondestructive Testing to Identify Concrete Bridge Deck Deterioration identifies nondestructive testing technologies for detecting and characterizing common forms of deterioration in concrete bridge decks. The report also documents the validation of promising technologies, and grades and ranks the technologies based o...

TRB’s Hazardous Materials Cooperative Research Program (HMCRP) Report 10: Feasibility Study for Highway Hazardous Materials Bulk Package Accident Performance Data Collection explores methods to collect and analyze performance data for U.S. Department of Transportation (DOT)-specified hazardous materials bulk packages such as portable tanks and cargo tank motor vehicles. The report also identifi...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-C20-RW-2: Freight Demand Modeling and Data Improvement Strategic Plan outlines seven strategic objectives that are designed to serve as the basis for future innovation in freight travel demand forecasting and data, and to guide both near- and long-term implementation. This report is only available in PDF format. SHRP 2 Capa...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2291 consists of 14 papers that examine managing a major transportation program with data from geographic information systems (GIS); using GIS for mapping oversized and overweight truck routes; work zone safety analysis; traffic monitoring systems; and monitoring travel time reliability. This issue of the TR...

TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 192: Deployment, Use, and Effect of Real-Time Traveler Information Systems explores the deployment, use, and effect of real-time traveler information (TI) systems. The report examines transportation agency dissemination practices, assesses traveler perception and use of TI systems, and offers best practices on ways to...

TRB’s second Strategic Highway Research Program (SHRP 2) Innovations Deserving Exploratory Analysis (IDEA) Final Report for SHRP 2 Reliability IDEA Project L-15A: Forecasting and Delivery of Highway Travel Time Reliability Information assesses the feasibility of employing predictive algorithms driven by historical and real-time traffic data to provide pre-trip, time-dependent travel time inform...

TRB’s second Strategic Highway Research Program (SHRP 2) Renewal Project R02 has released a prepublication, non-edited report titled Geotechnical Solutions for Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform: Final Phase 2 Summary Report that addresses issues designed to help mitigate obstacles that have the potential to prevent the ...

TRB’s second Strategic Highway Research Program (SHRP 2) Renewal Project R02 has released a prepublication, non-edited draft of a report titled Geotechnical Solutions for Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform: Web-Based Information and Guidance System Development Report that describes the development of a web-based inf...

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2279 consists of 15 papers that explore rule-based forecasting of traffic flow; household automobile and motorcycle ownership; path-based algorithms; effects of gasoline price and miles traveled on fatal crashes; quantile effects of causal factors on crash distributions; statistical test for 85th and 15th pe...

TRB’s Innovations Deserving Exploratory Analysis (IDEA) Final Report for Transit IDEA Project 50: Developing Regional Mobility Management Centers explores how transit agencies might seamlessly integrate the information and capabilities of multiple software applications for scheduling and dispatching paratransit services.

TRB Transportation Research Circular E-C168: Artificial Intelligence Applications to Critical Transportation Issues describes artificial intelligence (AI) applications in transportation and includes opinions on the future of AI by members of the committee that produced the report. The circular also contains 12 individually authored articles that describe five general AI areas: traffic operation...

The Transportation Research Record: Journal of the Transportation Research Board, No. 2285 consists of 19 papers that explore culvert asset management practices and deterioration, project-based roadway sustainability rating systems, asset deterioration and life expectancy, steel bridge weld fatigue retrofitting by peening, investment decisions, the effect of pavement roughness on user costs, ce...

The Transportation Research Record: Journal of the Transportation Research Board, No. 2284 consists of 10 papers that explore online activity routing systems, combined distribution–assignment models, design of bike lane networks, time-dependent auto network and scheduled transit services, transit network design, passenger flow assignment for urban rail transit, and schedule-based transit networ...

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-R15B-RW-1: Identification of Utility Conflicts and Solutions provides concepts and procedures to identify and resolve utility conflicts that public agencies and utilities can use to help improve the highway project development process. Tools described in the report include utility conflict matrices that enable users to organize,...

TRB’s Transportation Research Circular E-C169: Measuring the Transportation System from a Supply Chain Perspective provides a synopsis of the information from a July 2012 workshop that was designed to help to advance the understanding of if and how public-sector decision making could be improved by having better supply chain information. The circular also summarizes initial themes that were ide...