The document discusses what we know about human behavior in disaster situations based on findings from several decades of research. That perspective can help in maximizing the effectiveness of traveler information communications. The current use of traveler information in managing normal incident
This report contains 27 case studies of systems in 22 states that improve roadway operations under inclement weather conditions. Each case study has six sections including a general description of the system, system components, operational procedures, resulting transportation outcomes, impl
MDSS provides clear, actionable information about weather and roadway conditions so DOTs can make confident and effective decisions on deployment, materials, and tactics when responding to weather events. The MDSS software integrates current and forecast atmospheric weather and pavement cond
The purpose of the weather TAT module is to provide Traffic Management Center (TMC) operators and traffic engineers with practical guidance for implementing proper traffic operational strategies specific to inclement weather conditions.
Traffic Analysis Toolbox Volume XI includes six ch
A variety of mitigation techniques can reduce the frequency and impact of localized bottlenecks (further defined in Section 2.0). These techniques can range from the most intense (e.g., microsimulation product applications) to the least intense (e.g., sketch planning) with several iterations of t
This document is the second volume in the FHWA Traffic Analysis Toolbox: Work Zone Analysis series. Whereas the first volume provides guidance to decision-makers at agencies and jurisdictions considering the role of analytical tools in work zone planning and management, this volume provides speci
The purpose of this study is to assess and provide an understanding on how well simulation and traffic analysis tools predict performance, and identify elements and issues which practitioners should be aware of to effectively apply these tools. Often, misapplication of a tool can change the resul
This report presents the results of an investigation into the appropriate definition, interpretation, and computation of measures of effectiveness (MOEs) for traffic operations and capacity improvement.
The goal of this study was to develop information and guidance on which MOEs should
This document is intended to provide guidance to decision-makers at agencies and jurisdictions considering the role of analytical tools in work zone planning and management. It is often unclear what kind of analytical approach may be of most value, particularly in light of complex data requiremen
The purpose of the Guidelines for Applying CORSIM Microsimulation Modeling Software is to provide more specific guidance for using CORridor SIMulation (CORSIM) traffic simulation software to conduct a transportation analysis using the process recommended by Volume III: Guidelines for Applying Tra
The purpose of the Guidelines for Applying CORSIM Microsimulation Modeling Software is to provide more specific guidance for using CORridor SIMulation (CORSIM) traffic simulation software to conduct a transportation analysis using the process recommended by Volume III: Guidelines for Applying Tra
"Traffic analysis tools" is a collective term used to describe a variety of software-based analytical procedures and methodologies that support different aspects of traffic and transportation analyses. Traffic analysis tools include methodologies such as sketch-planning, travel demand modeling, t
This report provides an overview of the role of traffic analysis tools in the transportation analysis process and provides a detailed decision support methodology for selecting the appropriate type of analysis tool for the job at hand.
An introduction to the role of traffic analysis too
The purpose of this document is to provide a general overview of the practice of traffic control activities associated with incident management and describe various conceptual traffic control elements. Various state laws and policies are in place for the purpose of addressing the safe, quick clea
This Handbook describes the desired characteristics of a Full-Function Service Patrol (FFSP) program from the viewpoint of an agency funding, managing, and operating the program. It provides an operational concept for FFSPs, describes key characteristics and presents concepts, information, and gu
The purpose of this Guide is to introduce ICS to stakeholders who may be called upon to provide specific expertise, assistance, or material during highway incidents but who may be largely unfamiliar with ICS organization and operations. These stakeholders include professionals at transportation a
This primer has been developed to assist agencies in establishing and monitoring a useful set of work zone safety and mobility performance measures. Work zone performance measures are metrics that help to quantify how work zones impact travelers, residents, businesses and workers. Work zone perfo
The AUSCI evaluation is divided into four separate test plans. Each test plan addresses a
specific project goal. The Evaluation Final Report provides results for each of the following evaluation test plans:
Test Plan One– Assess Performance Characteristics
<Transportation agencies throughout the country have implemented various successful and effective low cost strategies to improve safety and reduce traffic congestion.
This summary presents an overview of the results of the 2007 National Traffic Signal Report Card, the noteworthy findings and suggestions on how to use the results. This document is a continuation of work begun in 2005 and intends to focus attention on the operation and maintenance of traffic sig
Map 21 Full Report, GPO Version
Map 21 Conference Report to accompany H.R. 4348
of MAP-21 provisions.
Association of Metropolitan Planning Organizations MAP- 21 July 2012
MAP-21
Presentation
P.L. 112, -141-the Moving Ahead for Progress in the 21st Century Act
National Association of Regional Councils (NARC) – of each individual section of H.R. 4348
American Association of State Highway and Transportation Officials (AASHTO) Map 21 Breakdown
Highlights of MAP-21
AASHTO – Performance Management Provisions – Standing Committee on Performance Management
Texas Department of Transportation MAP-21 and Highlights
Southeast Michigan Council of Governments (SEMCOG) -2012 Federal Surface Transportation Legislation-MAP-21
Florida DOT Analysis of MAP-21 Conference Report on H.R. 4348
The purpose of the Michigan Signal Optimization Guidelines is to provide guidelines and recommendations for conducting signal optimization projec ts in the state of Michigan in a complete and consistent manner. This document is intended to guide the process, and not to be a restrictive document.
Technical document on Signalized Intersection Delay Models
The purpose of this report is to identify the steps that are required to time traffic signals, and to identify areas that will result in improved traffic signal timing. These steps define a continuing process that may be manual, semi-automated, or fully automated. In the abstract, the
The conventional approach to signal timing op timization and field deployment requires current traffic flow data, experience with optimization models, familiarity with the signal controller hardware, and knowledge of field operations including signal timing fine-tuning. Developing new signal timi
This is one of a series of documents providing support for deploying Intelligent Transportation Systems (ITS). This series addresses Traffic Signal Control Systems, Freeway and Incident Management Systems , Transit Management Systems, and Traveler Information Systems. The National ITS Architectur
Advance warning signals (AWS) provide information warning drivers in advance of the end-of-green interval for an approaching signali zed intersection. The purpose of this research was to develop guidelines for the placement of AWS in Utah, both c onditions to evaluate the need for AWS installatio
A driver approaching a signalized intersection where the light has turned yellow must make a decision whether to stop or proceed. A signal that is proper ly designed will provide an opportunity for a safe and legal maneuver. As approach speeds increase, how ever, it becomes more difficult to exec
Advance warning signals installed upstream of a high-speed signalized intersection (HSSI) warn motorists of impending signal changes in an effort to reduce the frequency of red-light running (RLR) and crashes. A new advance warning signal design was tested on an approach to a HSSI in Salt Lake Co
TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 97: Guide to Effective Freeway Performance Measurement: Final Report and Guidebook examines the effective use of freeway performance measures in operating a freeway system and in meeting the information nee
TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2178 contains 19 papers that explore freeway incidents and secondary crashes; a heuristic ramp-metering coordination strategy; estimating freeway traffic density with loop detector and probe vehicle data; casc
TRB’s Transportation Research Record, Journal of the Transportation Research Board, No. 2229 includes 12 papers that explore reliability benefits of ramp metering; quantification of nonrecurrent congestion delay caused by freeway accidents and analysis of causal factors; spatiotemporal patterns o
TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 399: Real-Time Traveler Information Systems explores the needs and expectations of travelers, the current status of a variety of traveler information systems in the United States, available and emerging data sources, and busine
TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 432: Recent Roadway Geometric Design Research for Improved Safety and Operations reviews and summarizes roadway geometric design literature completed and published from 2001 through early 2011, particularly research that i
TRB’s National Cooperative Highway Research Program (NCHRP) Report 502: Geometric Design Consistency on High-Speed Rural Two-Lane Roadways presents rules on geometric design consistency suitable for use in an expert system such as the Interactive Highway Safety Design Model (IHSDM). The rules can
TRB's Transit Cooperative Research Program (TCRP) Research Results Digest 59: A Guide to Public Transportation Security Resources provides a listing of available (or soon-to-be-available) security resources, which can be obtained from public transportation systems, organizations, associations, in
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 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
May 2015 newsletter
