TRB’s Marine Group has released a brochure that highlights why and how to get involved in TRB marine transportation-related technical committee activities. The technical committees are communities of individuals who share a common interest and expertise. Standing committees are communities of individuals that share a common interest and expertise. They serve as open and unparalleled forums to d...

TRB’s Freight Systems Group has released a brochure that highlights why and how to get involved in TRB freight transportation-related technical committee activities. The technical committees are communities of individuals who share a common interest and expertise. Standing committees are communities of individuals that share a common interest and expertise. They serve as open and unparalleled f...

The March-April 2013 issue of the TR News includes a photo essay that documents sessions, workshops, special events, poster presentations, awards, exhibits, committee meetings, and other highlights of TRB’s 92nd Annual Meeting in Washington, D.C., January 13-17, 2013.

TRB has released the latest version of its information for authors guide . The guide is designed to help both new and veteran TRB paper authors navigate the paper submission process for TRB’s upcoming Annual Meeting and for TRB’s Transportation Research Record: Journal of the Transportation Research Board. All authors should review all information in this guide before submitting papers for cons...

TRB’s Innovations Deserving Exploratory Analysis (IDEA) annual program announcement solicits funding proposals for the upcoming review cycles.  The announcement explains the IDEA programs, describes the types of eligible projects and their funding structures, suggests general areas for which IDEA proposals can be submitted, and provides guidelines and forms for submitting proposals. NCHRP ...

A slideshow summary of the Transportation Research Board's pre- and post-September 11, 2001, transportation security activities is updated monthly.

Since September 11, 2001, 145 security-, emergency management-, and infrastructure protection-related planning and implementation projects have been initiated through programs managed by the Transportation Research Board (TRB). One hundred eleven of these projects have been completed; 24 projects are in progress; and 10 projects have contracts pending or are currently in development. This repor...

TRB’s Aviation Group has released a brochure that highlights why and how to get involved in TRB aviation-related technical committee activities. The technical committees are communities of individuals who share a common interest and expertise. Each committee proposes research, shares research findings, sponsors a broad range of activities, and provides a forum for professionals to discuss today...

TRB's Review of the Federal Transit Administration’s Transit Economic Requirements Model (TERM) examines whether TERM provides reasonable and appropriate estimates of condition and investment needs for its intended purposes. The report also examines TERM’s reliance on a backlog of capital investments as an appropriate basis for developing future capital funding requirements. The U.S. Federal Tr...

A featured article in the January-February 2013 issue of the TR News explores how climate change in Alaska is forcing engineers and planners to adapt both to warming and to cooling trends. With warming permafrost, coastal erosion, and increasingly dramatic storms and flood events, Alaska’s highways, runways, and other infrastructure are frequently icing, cracking, and washing away. Although the...

Each year, TRB’s Technical Activities Division staff visit state departments of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues. In their annual state partnership visits in 2012, TRB senior program officers found that state departments of transp...

A featured article in the November-December 2013 issue of the TR News present the developments, influences, and workings that have shaped the practice of metropolitan transportation planning during the last 50 years. The urban planning provisions of the Federal-Aid Highway Act of 1962 were considered pivotal in the transition of the highway program from a rurally oriented, civil engineering–bas...

TRB's Rockfall: Characterization and Control addresses rockfall hazard identification and evaluation, investigation process, mitigation options, and maintenance and management programs. The 600-plus page publication includes a DVD with video clips of rockfall field tests and several historical movies documenting rockfall field activities. Rockfall is an important, ongoing socioeconomic issue at...

A featured article in the November-December 2013 issue of the TR News helps celebrate the 20th anniversary of TRB’s Innovations Deserving Exploratory Analysis (IDEA) programs, which offer early-stage funding for promising but unproven innovations for highways, transit, and railroad safety and performance. The programs’ goals are to promote innovations that can progress to next generation techno...

A featured article in the November-December 2013 issue of the TR News explores how the 50 year old National Cooperative Highway Research Program (NCHRP) model for delivering practical research products works successfully by involving stakeholders, using resources efficiently and effectively, upholding objectivity, and selecting consultants competitively. The TR News is TRB's bimonthly magazine ...

TRB’s second Strategic Highway Research Program (SHRP 2) has posted a series of fact sheets that address priority SHRP 2 products. Each fact sheet provides a quick description of the product; where it is being used; and its potential impact on the way the nation plans, designs, builds, and operates its highways. The Federal Highway Administration and the American Association of State Highway an...

A featured article in the September-October 2012 issue of TR News reviews the largest-ever naturalistic driving study, which is being conducted at six sites by TRB’s second Strategic Highway Research Program (SHRP 2). The high-technology program will support a comprehensive assessment of how driver behavior and performance interact with roadway, environmental, vehicular, and human factors and h...

A featured article in the September-October 2012 issue of TR News reviews the basic concepts, software tools, supporting documents, ongoing research, training, implementation, and upcoming revisions related to the Highway Safety Manual (HSM), which was created to reduce fatal and serious crashes on the nation’s highways. The HSM represents a dedicated effort to drive the science of safety into ...

A featured article in the July-August 2012 issue of the TR News highlights how the Michigan Department of Transportation is taking into account site conditions, costs, and changes over time as it implements various actions to prepare for altered climate conditions throughout the state.

A featured article in the July-August 2012 issue of the TR News explores ecodriving, which incorporates techniques and technologies to reduce fuel consumption and costs, greenhouse gas and other air pollutant emissions, vehicle miles traveled, vehicle and road degradation, and accident-related costs—such as property damage, injuries, fatalities, and insurance.

A featured article in the May-June 2012 issue of the TR News provides an overview of cycling and walking trends and policies in Western Europe and draws lessons for programs that might succeed in the United States. Highlights include improvements in the transportation infrastructure, with a focus on safety; traffic calming in residential neighborhoods; coordinating walking and cycling with publ...

A featured article in the May-June 2012 issue of the TR News explores what makes the United States so different from Western European countries, where the percentage of daily trips made by walking or bicycling is far higher. The article examines the demographics and the frequency, distance, and purpose of pedestrian and bicycle travel; the influences of the natural and built environments; safet...

A featured article in the March-April 2012 TR News explores the international presence in TRB activities and meetings, and TRB’s partnerships and collaborations with similar research organizations around the world, all of which recognize that shared research and analysis can help address global, common, and local transportation problems productively and effectively.

The March-April 2012 issue of the TR News includes a photo essay that documents sessions, workshops, special events, poster presentations, awards, exhibits, committee meetings, and other highlights of TRB’s 91st Annual Meeting in Washington, D.C., January 22-26, 2012.

Each year, TRB’s Technical Activities Division staff visit state departments of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues. In their annual state partnership visits in 2011, TRB senior program officers found that state departments of transp...

TRB’s second Strategic Highway Research Program (SHRP 2) has released a Reliability Products Brief, which summarizes the status of products being produced within the Reliability area of SHRP 2. Reliability research in SHRP 2 addresses the root causes of unpredictable travel times by focusing on highway system operations. Travel time reliability, which is valued for many reasons, is co...

TRB’s second Strategic Highway Research Program (SHRP 2) has released a Renewal Products Brief, which summarizes the status of products being produced within the Renewal area of SHRP 2. The goal of Renewal research in SHRP 2 is to advance the methods and materials that transportation agencies can use to renew the nation’s vital but aging highway system even as we continue to use and live n...

TRB’s second Strategic Highway Research Program (SHRP 2) has released a Safety Projects Brief, which summarizes the status of products being produced within the Safety area of SHRP 2. Safety research in SHRP 2 will apply advanced technologies to understand how drivers interact with and adapt to a variety of factors—the vehicle, the traffic, the roadway characteristics, traffic control...

TRB’s second Strategic Highway Research Program (SHRP 2) has released a Capacity Projects Brief, which summarizes the status of products being produced within the Capacity area of SHRP 2. The objective of Capacity Research in SHRP 2 is to develop tools for systematically integrating environmental, economic, and community requirements into the analysis, planning, and design of new highway c...

TRB’s National Cooperative Highway Research Program’s (NCHRP's) U.S. Domestic Scan Program has released a report that explores the transfer of innovative technologies and practices from host states to visiting states based on the program’s first six scans. Additional information on the 19 completed or planned program scans is available on the U.S. Domestic Scan Program’s website .

A featured article in the November-December 2011 issue of the TR News Traffic explores the goals, the problems encountered, the solutions, and the results of the long-term pavement performance traffic data collection effort that has generated the largest repository of high-quality traffic data ever collected.

TRB’s National Cooperative Highway Research Program (NCHRP) has released a brochure that commemorates the first 50 years of the program and highlights some of the milestones in research that continue to have an impact on how state highway agencies are building, managing, maintaining, and evolving the nation’s highway system. NCHRP celebrated its 50th anniversary on June 19, 2012.

Since September 11, 2001, 125 security-, emergency management-, and infrastructure protection-related planning and implementation projects have been initiated through the Transportation Research Board (TRB). Ninety-two of these projects have been completed; 15 projects are in progress; and 18 projects have contracts pending or are currently in development. This report, updated monthly, provides...

A featured article in the September-October 2011 issue of the TR News examines key challenges to the aviation system including new air traffic control technologies, sustainability, alternative fuels, security, and economics.

A featured article in the July-August issue of the TR News explores the difficulties of passenger screening, the vulnerabilities of baggage and cargo screening—and in the supply chain—and problems with technologies.

A featured article in the July-August issue of the TR News examines trends, hindrances, solutions, rationales, policies, and practical models in efforts to counter natural and man-made threats to our nation’s security. According to the authors, countering threats effectively and efficiently requires cooperative, public–private, practitioner-guided programs to build infrastructure resilience at ...

A featured article in the May-June 2011 issue of the TR News highlights how public–private partnerships (PPPs) are increasingly becoming a way for public agencies around the world to build or upgrade transportation infrastructure, while in the United States PPPs are still developing. The article discusses successful U.S. programs, draws out potential rules for success, and hihglihgts three...

TRB's Strategic Highway Research Program (SHRP 2) as released a series of case studies that explore the successful use of collaboration in a wide variety of transportation applications. Topics addressed by the case studies include long-range transportation planning, corridor planning studies, integrated programming and fiscal constraint, environmental review merged with permitting, stakeholder ...

The fifth edition of the Highway Capacity Manual (HCM2010), which updates HCM2000, will significantly enhance how engineers and planners assess the traffic and environmental effects of highway projects.  Order your copy of the HCM 2010 today and it will be shipped within 24 hours. Rush order received by 12:00 p.m. Eastern will be shipped the same day. The HCM2010: • provides an integrated ...

Each year, TRB’s Technical Activities Division staff visit state departments of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues. The 2010 field visits by TRB Technical Activities staff reveal that despite diminished resources, the efforts of ded...

A featured article in the November-December 2010 issue of the TR News by Thomas B. Deen explores the “institutional mystery” of TRB. The author—active in the organization since 1956 and its executive director from 1980 to 1994—offers personal, professional, and historical perspectives on the Board’s achievements and prospects. As long as future transportation legislation sustains the collaborat...

A featured article in the November-December 2010 issue of the TR News by Robert E. Skinner, Jr., TRB’s executive director, reflects on the organization’s resiliency and adaptability during its 90-year history and offers insights on what lies ahead in the next decade, identifying the fundamentals that have held true in the past and are likely to hold true in the future. The article is part of TR...

A featured article in the September-October 2010 TR News explores how the Missouri Department of Transportation has achieved significant improvements in pavement and other assets by implementing throughout the organization a performance management approach—datadriven, results-focused, accountability-based, and incorporating asset management practices. The system also offers flexibility to adapt...

A featured article in the July-August 2010 TR News explores how shifts in the trade and transport environment—at the local, national, and international levels—may pose a dynamic challenge and point to the need for a strategic freight plan for the U.S. Marine Transportation System, addressing such issues as intermodal transport capability, energy use, sustainability, and the effects of the expan...

A featured article in the July-August 2010 TR News includes a 21-question, true-or-false and multiple choice quiz that gauges knowledge of basic information, general and specific, related to globalization and transportation. The enlightening answers to the quiz are accompanied by citations of readily available resources for additional information and reference.

A photo essay in the March-April issue of the TR News documents sessions, workshops, special events, poster presentations, awards, exhibits, committee meetings, and networking at TRB’s 89th Annual Meeting in Washington, D.C., January 10–14, 2010, including a speech by U.S. Secretary of Transportation Ray LaHood and panel discussions with U.S. Department of Transportation leaders.

A featured article in the March-April issue of the TR News explores the U.S. Federal Highway Administration’s Vanguard Technologies initiative, which is promoting proven, high-payoff innovations that save time, boost safety and quality, and decrease congestion during highway construction. Examples of innovation being promoted include road safety audits, prefabricated bridge elements and systems...

A featured article in the March-April issue of the TR News explores the work and accomplishments of the Research and Innovative Technology Administration’s six components. The article also examines a vision of researchers communicating across modes to share findings and best practices and to develop and implement innovative transportation solutions.

A featured article in the January-February 2010 TR News explores the mutually beneficial relationship between public transit via streetcars and professional baseball that began in the late 1800s.

Each year, TRB’s Technical Activities Division staff visit state departments of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues. The 2009 field visits by TRB Technical Activities staff reveal that leaders and staff in transportation agencies acr...

While TRB’s second Strategic Highway Research Program (SHRP 2) research has four focus areas, the findings will not sort themselves into such tidy categories. The outcomes of the research and their applications will cross the traditional boundaries of function and discipline; seeing the full benefits may require a strategic view. Three documents are available that match the expected produc...

A featured article in the November-December 2009 issue of the TR News explores the Utah Department of Transportation's (DOT’s) formal process to document the benefits of sending its personnel to the TRB Annual Meeting. With the help of Utah DOT’s research director, the article describes the process used to track and guide the implementation of the innovative and cost-saving ideas brought back f...

A special feature article in the September-October 2009 issue of the TR News highlights the TRB Planning and Environment Group’s recent annual competition to recognize fresh and creative methods of communicating technical transportation issues and concepts to the public. The focus of the competition was energy and climate change in transportation. The top entries ranged from a book to multimedi...

A feature article in the September-October 2009 issue of the TR News explores differences in the travel behavior of minority populations that could have wide-reaching implications for short- and long-term policy development, planning, and travel demand forecasting.

A featured article in the TR News: May-June 2009 issue explores the improved understanding and control of transportation-related air pollution as well as new challenges such as tightened standards for ozone and emissions of particulate matter and efforts to mitigate and adapt to climate change.

The latest issue of TRB’s LRT (Light Rail Transit) News is now available.  With the support of the Federal Transit Administration, the LRT News is published intermittently by TRB to disseminate information on new developments in light rail transit planning, technology, and operations. The newsletter also reports on new studies, completed research, and current literature.  Articles in ...

TRB’s Executive Committee periodically identifies a set of critical issues in transportation to focus attention on their likely impact on the nation’s economy and quality of life. The discussion of the critical issues identified in this document is intended to facilitate debate and to encourage research leading to their resolution. Previous editions of Critical Issues in Transportation have hi...

A photo feature in the March-April 2009 issue of TR News highlights the five days in January when Washington, D.C., becomes the capital of transportation research—or at least the connecting hub—with more than 10,000 researchers, practitioners, and administrators representing government, industry, and academia gathering from the United States and abroad to network with peers, share information,...

A featured article in the March-April 2009 issue of TR News examines issues of traditional, interjurisdictional, intergenerational, and inter- and intramodal equity raised by new transportation financing options and examines research needs to inform policy decisions.

TRB’s Committee for Pavement Technology Review and Evaluation has issued its third letter report to Jeffrey F. Paniati, Acting Deputy Administrator and Executive Director of the U.S. Federal Highway Administration (FHWA).  The letter report addresses stakeholder involvement; the issues, needs, and gaps within the program’s various focus areas; targeted program performance meas...

Each year, TRB’s Technical Activities Division staff visit state departments of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues.  The 2008 field visits by TRB Technical Activities staff found that transportation agencies are addressi...

TRB’s Long-Term Pavement Performance (LTPP) Committee has released a report that presents a recommendation for the safekeeping, management, and operation of the LTPP database for decades to come.  The LTTP Committee advises the Federal Highway Administration and the American Association of State Highway and Transportation Officials on the planning and execution of the LTPP studies.  ...

TRB has released the latest issue of the Intercity Rail Passenger Systems Update.  The online newsletter is published intermittently and is designed to disseminate information about current research and developments in intercity rail passenger systems.  Articles in this issue explore the growth of the European passenger rail systems, recent developments in the high-speed rail movemen...

A featured article in the September-October 2008 issue of the TR News explores a process developed by the Wisconsin Department of Transportation and Marquette University to communicate and collaborate effectively to minimize disruptions for all groups affected by $810 million reconstruction of the Marquette Interchange in downtown Milwaukee—the largest road project in Wisconsin’s h...

A featured story in the July-August issue of the TR News explores the merging the resources of Louisiana State University and the Louisiana Department of Transportation and Development to create the Louisiana Transportation Research Center, a versatile core of facilities and expertise to address transportation challenges via research, technology transfer, and training.

The TRB Committee for a Review of U.S. Department of Transportation (U.S. DOT) Study on Implementation of Changes to the Section 4(f) Process has delivered a letter report to the Honorable Mary E. Peters, Secretary of the U.S. DOT.  Legal rulings and regulations pursuant to Section 4(f) of U.S. Department of Transportation Act of 1966 set high standards for protecting parks, recreation ar...

Photos in the March-April 2008 issue of the TR News highlight the five days in January when Washington, D.C., becomes the capital of transportation research—or at least the connecting hub—with more than 10,500 researchers, practitioners, and administrators representing government, industry, and academia gathering from the United States and abroad to network with peers, share information, and i...

The latest issue of TRB’s LRT (Light Rail Transit) News is now available.  With the support of the Federal Transit Administration, the LRT News is published intermittently by TRB to disseminate information on new developments in light rail transit planning, technology, and operations. The newsletter also reports on new studies, completed research, and current literature.  Artic...

The TRB Publications Catalog: All 2007 Titles lists all publications produced by TRB for calendar year 2007.  Titles of publications are listed in this catalog in alphabetical order under subject area. Many titles are listed under several subject areas.  The catalog also includes information on the Transportation Research Record: Journal of the Transportation Research Board TRR Onlin...

TRB has released the latest issue of Intercity Rail Passenger Systems Update, an online newsletter.  Articles in this issue discuss tradeoffs in mainline capacity as freight volumes grow and passenger service becomes a more attractive option in the public mind; a report on building a Southeastern coalition to extend high-speed rail south of Washington, D.C., and Richmond, Virginia; and an...

Each year, TRB’s Technical Activities Division staff visit state departments of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues.  In field visits to states in 2007, senior program officers in TRB’s Technical Activities Division...

TRB’s Committee for Pavement Technology Review and Evaluation has issued its second letter report to J. Richard Capka, Administrator of the U.S. Federal Highway Administration (FHWA).  The committee was established at the request of the FHWA to provide strategic advice and guidance on the FHWA’s Pavement Technology Program as authorized under the Safe, Accountable, Flexible, E...

The Design and Construction Group of TRB’s Technical Activities Division has released the TRB Annual Meeting catalog of 2008 practice-ready papers.  Papers in the catalog have been identified as containing information that has potential for immediate application by practitioners in daily operations.  Each entry in the catalog includes an abstract of the paper and contact information ...

TRB has released the latest issue of Intercity Rail Passenger Systems Update.  This issue includes information on California’s preparations for implementation of its transportation bond program, the benefits of intercity rail, rail news from Europe, and more.

A pictorial section in the TR News March-April 2007 issue highlights some of the many activities that took place at TRB’s 86th Annual Meeting, which attracted approximately 10,400 transportation researchers, practitioners, and administrators representing government, industry, and academia from the United States and abroad to Washington, D.C., January 21–25, 2007.  The 5-day pr...

A featured article in the March-April 2007 issue of TR News explores Banff National Park in Alberta, Canada, which has been a testing site for innovative passageways to mitigate the effects of roads on wildlife.  The Trans-Canada Highway bisects the park, but a range of engineering mitigation measures—including a variety of wildlife underpasses and overpasses—has helped maintain large mam...

The TRB Publications Catalog: All 2006 Titles lists all publications produced by TRB for calendar year 2006.  Titles of publications are listed in this catalog in alphabetical order under subject area. Many titles are listed under several subject areas.  The catalog also includes information on the new Transportation Research Record: Journal of the Transportation Research Board TRR O...

TRB’s Strategic Highway Research Program 2 (SHRP 2) has released updated versions of its Program Briefs for each of the program’s four focus areas: safety , renewal , reliability , and capacity .  Each brief describes issues being explored, research methods, and current projects within that focus area.

Each year, TRB’s Technical Activities Division staff visit every state department of transportation, as well as selected universities, transit and other modal agencies, and industry organizations, to determine the issues they are facing and how TRB can help in addressing those issues.  In field visits to all states in 2006, senior program officers in TRB’s Technical Activities Division id...

TRB’s Committee for Pavement Technology Review and Evaluation has issued its first letter report to J. Richard Capka, Administrator of the U.S. Federal Highway Administration (FHWA).  The committee was established at the request of the FHWA to provide strategic advice and guidance on the FHWA’s Pavement Technology Program as authorized under the Safe, Accountable, Flexible, Ef...

The second Strategic Highway Research Program (SHRP 2) has released a series of program briefs that describe the safety , renewal , reliability , and capacity focus areas that make up the SHRP 2 program.

TRB’s Transit Research Analysis Committee (TRAC) has delivered a letter report to Ronald Hynes, the deputy associate administrator for research, demonstration, and innovation for the Federal Transit Administration (FTA). The letter advises FTA on the development of its 3- to 5-year program plan for research, with emphasis on the creation of a compelling research agenda identifying topics...

A featured article in the TR News March-April 2006 issue examines usage of the web for transportation research.  The article covers search engines and search tips, the invisible web, web portals, indexes and abstracts, library resources, monitoring misinformation, keeping up, and more.

Joseph Henry Press (JHP) has released Struck by Lightning: The Curious World of Probabilities, which explores the world of probabilities by explaining the mechanics of randomness and teaching how to develop an informed perspective on probability.  The JHP is an imprint of the National Academies Press (NAP).  From terrorist attacks to big money jackpots, Struck by Lightning deconstruc...

TRB has released an updated list of rail-related activities that are taking place within TRB and other divisions of the National Academies.  The report includes information on recent publications and letter reports, a listing of many of the TRB rail-related committees, ongoing rail-related studies being conducted through TRB’s cooperative research programs, TRB rail-related events f...

TRB’s Executive Committee periodically identifies a set of critical issues in transportation to focus attention on the most significant transportation issue facing the country and on the areas most in need of innovation.  Meeting the challenges posed by these issues—congestion, emergencies, energy and environment, equity, finance, human and intellectual capital, infrastructure...

TRB’s Research in Progress (RiP) database includes information on more than 130 transportation security-related research projects underway or recently completed as part of its overall database of more than 8,000 projects.  The RiP website allows users to browse and search information in the database, which is maintained by the transportation research organization conducting the research. ...

TRB’s Transportation Research Information Services (TRIS) online database includes information on, and when available links to, more than 15,000 papers and publications related to transportation security as part of its overall database of more than 650,000 records.  TRIS is a bibliographic database funded by sponsors of TRB, primarily the state departments of transportation and selected f...

The TRB Superpave Committee has released its final report summarizing the committee’s work since 1999, when it was formed to advise the American Association of State Highway and Transportation Officials and the Federal Highway Administration on a research plan that would further the development and implementation of the Superpave system for selecting materials and designing asphalt mixtures to...

TRB's Access Management Manual provides technical information on access management techniques, together with information on how access management programs can be effectively developed and administered. It presents access management -- the systematic control of the location, spacing, design, and operation of driveways, median openings, interchanges, and street connections to a roadway -- compre...

This one-of-a-kind TRB book is as attractive and informative today as it was when first produced in 1991. Bridge Aesthetics Around the Word presents the perspectives and insights of the world’s authorities on bridge aesthetics and design. Bridge engineers and architects representing 16 nations examine and highlight the aesthetic appearance of existing bridges with the goal of improving tomorrow...

The new and extensively revised edition of the Highway Capacity Manual 2000 is available in metric units, as well as in the U.S. customary system units used in the traditional manual. In addition to improvements in current analysis methodologies, HCM 2000 includes a chapter on interchange ramp terminals, several chapters with material for planning uses of the manual, and a discussion of when s...

A 2003 Catalog of Practical Papers, prepared by standing committees in the Design and Construction of Transportation Facilities Group, identifies TRB 82nd Annual Meeting papers with information that state departments of transportation can apply immediately.