Publications Search Results

This webpage offers FHWA Exemplary Ecosystem Initiatives and criteria for selection.

TRB’s National Cooperative Highway Research Program (NCHRP) Report 750: Strategic Issues Facing Transportation, Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner’s Guide and Research Report provides guidance on adaptation strategies to the likely impacts of cl

The latest national traffic signal assessment conducted by the National Transportation Operations Coalition (NTOC), a group of transportation associations, shows that gradual but steady progress is being made on the management and operation of traffic signals despite continued funding challe

 The U.S. Department of Transportation and its member agencies have pursued a research and development agenda, the Intelligent Transportation System (ITS) Program, designed to integrate the latest in information technologies to improve the safety, mobility, and reliability of surface transpo

This Executive serves as a companion to the AASHTO Transportation Asset Management Guide—A Focus on Implementation. The AASHTO Transportation Asset Management Guide—A Focus on Implementation is focused on implementing transportation asset management (TAM). These documents s

Active management of transportation and demand can include multiple approaches spanning demand management, traffic management, parking management, and efficient utilization of other transportation modes and assets. This informational brief provides an introduction to the concept of active tr

Active Transportation and Demand Managment (ATDM) is the dynamic management, control, and influence of travel demand, traffic demand, and traffic flow of transportation facilities. Through the use of available tools and assets, traffic flow is managed and traveler behavior is influenced in realti

This analysis brief provides a summary of the Federal Highway Administration (FHWA) Office of Operations is sponsored research project to develop new and/or updated methodologies, data sets, and content for the Highway Capacity Manual (HCM) that will better reflect the demand and traffic flow beh

Active management of transportation and demand can include multiple approaches spanning demand management, traffic management, parking management, and efficient utilization of other transportation modes and assets.

This Informational Brief provides an overview of the origins and the evo

This Primer discusses advances covering a broad array of parking pricing applications, available technology, preferred user accommodations, and strategies for gaining public acceptance for policy changes. The information provided is meant to increase awareness of innovative approaches, help commu

This synthesis report describes both US and European techniques in Active Traffic Management (ATM). The primary focus of this synthesis is on European experience, which in some cases dates back a number of years. This report provides a compilation of lessons learned, experiences, operational resu

This report was developed to summarize the implementation of safety shoulders as travel lanes as a method to increase the efficient use of highway capacity. Its purpose is to provide a succinct overview of efforts to use left or right shoulder lanes as temporary or interim travel lanes. As part o

The purpose of this primer is to introduce and define the ATM and TDM concepts and show the need for and benefits of integrating the concepts into efforts to address congestion on the most affected facilities. The primer provides a conceptual framework, originally suggested by the Dutch Ministry

This document is one of a series of monographs that introduce systems engineering topics to transportation and transit engineers involved in Intelligent Transportation Systems (ITS) projects.This monograph focuses on the development of functional requirements for ITS projects and is intended for

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2022 includes 11 papers that explore emergency resource allocation for critical transportation infrastructure protection, intelligent transportation system networks survivability, information shar

TRB Special Report 270: Deterrence, Protection, and Preparation: The New Transportation Security Imperative examines the role of science and technology in countering terrorism.  It presents advice on a strategic approach to transportation security that recognizes th

TRB’s National Cooperative Highway Research Program (NCHRP) Report 750: Strategic Issues Facing Transportation, Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner’s Guide and Research Report provides guidance on adaptation strategies to the likely impacts of cl

TRB’s Conference Proceedings on the Web 14: Sustainable Energy and Transportation Strategies, Research, and Data includes summaries of plenary session presentations that were made during a November 2012 conference in Washington, D.C. The conference explored potential research needed to further ad

TRB's Transportation Research Circular E-C164: Climate Change and Transportation: of Key Information highlights the key findings of a variety of studies on the subject of climate change and its ramifications for the transportation sector conducted by the National Research Council, th

A featured article in the September-October 2013 issue of the TR News explores the origins and evolution of the innovative Eco-Logical: An Ecosystem Approach to Developing Infrastructure Projects. The article also highlights examples of early successes and current initiatives applying the collabo

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 o

The U.S. Federation Highway Administration has released a report that highlights operational strategies and performance management approaches that state and local transportation agencies have used to address congestion and reliability of transportation system in U.S. urban areas.

The U.S. Federal Highway Administration has released the latest issue of its Research and Technology (R&T) Now news update. The update reports on research, technology, and development activities taking place within the U.S. Department of Transportation.

The Guide provides the information for the FHWA to make informed decisions on requests for new or modified access to the Interstate System. It recognizes that interchange access requests should be evaluated as part of an integrated transportation system. The type of analysis necessary will vary o

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2089 includes 13 papers that explore approximations to the average length of vehicle routing problems, heuristic framework for optimizing hurricane evacuation operations, location routing approach for the huma

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2168 includes 16 papers that explore the discrete berth-scheduling problem; multimodal network analysis and vulnerability assessment; location choice model for logistic firms; agent-based combined traffic simu

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2410 consists of 17 papers that examine truck traffic related to petroleum well development and production in unconventional shale plays; a critical rural freight corridors designation; generation of reliable

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2378 consists of 14 papers that explore strategic rail freight network optimization; mode choice modeling for freight transport; ancillary functions for smartphone weight–mile tax truck data; inventory and veh

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2356 contains 14 papers that review an intelligent dilemma-zone protection system for a high-speed rural intersection; adaptive signal control in Germany; queue length under connected vehicle technology; a coo

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2192 contains 18 papers that explore simulation-based optimization of the maximum green setting, wireless magnetometer vehicle detectors at signalized intersections, management of signalized arterial capacity,

TRB’s Transit Cooperative Research Program (TCRP) Synthesis 13: Risk Management for Small and Medium Transit Agencies provides information on how small and medium-sized transit agencies can evaluate various approaches to risk management and can access risk management services at reasonable cost.&

TRB’s Transit Cooperative Research Program (TCRP) Research Results Digest 12: Transit Risk Manager: Risk Management Software for Bus Transit Systems describes a new software product developed under TCRP Project G-3, "Tools for Transit Risk-Exposure Identification and Treatment for Bus Transit Sys

TRB’s National Cooperative Highway Research Program (NCHRP) Report 706: Uses of Risk Management and Data Management to Support Target-Setting for Performance-Based Resource Allocation by Transportation Agencies describes how transportation agencies can use risk management and data management to s

TRB’s second Strategic Highway Research Program (SHRP 2) S2-R09-RW-2: Guide for the Process of Managing Risk on Rapid Renewal Projects describes a formal and structured risk management approach specifically for rapid renewal design and construction projects that is designed to help adequatel

TRB’s second Strategic Highway Research Program (SHRP 2) S2-C06-RW-4: Manager’s Guide to the Integrated Ecological Framework is designed to provide a basic understanding of the Integrated Ecological Framework (IEF), a nine-step process for integrating ecological and transportation planning.

TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-C06-RW-3: Practitioner’s Guide to the Integrated Ecological Framework explores ways to apply ecological principles early in the planning and programming process of highway capacity improvements to inform environmental re

TRB’s second Strategic Highway Research Program (SHRP 2) S2-C06-RW-1: An Ecological Approach to Integrating Conservation and Highway Planning, Volume 1 summarizes the research approach and major findings of a project designed to help transportation and environmental professionals apply ecological

TRB’s second Strategic Highway Research Program 2 (SHRP 2) Report S2-C06-RW-2: An Ecological Approach to Integrating Conservation and Highway Planning, Volume 2 is designed to help transportation and environmental professionals apply ecological principles early in the planning and programming pro

the Integrated Ecological Framework (IEF) was developed as a technical guide to provide a step-by-step process for implementing the Eco-Logical approach (see Figure ES.1). It is the key product of the SHRP 2 C06 project, Integrating Ecological Mitigation to Enhance Efficiency. This C06 IEF Outrea

TRB's National Cooperative Highway Research Program (NCHRP) Legal Research Digest 47: Judicial Enforcement of Variable Speed Limits examines judicial decisions and judicial enforcement on variable speed limit programs. 

Continued growth in travel on congested urban freeway corridors exceeds the ability of agencies to provide sufficient solutions and alternatives based on traditional roadway expansion and improvement projects. Several countries are implementing managed motorway concepts to improve motorway capaci

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 highw

This report summarizes the proceedings of the Asset Management Peer Exchange hosted by the Federal Highway Administration (FHWA) and the American Association of State Highway and Transportation Officials (AASHTO). The peer exchange was held in San Diego, CA on April 19, 2012.

The peer