This presentation, also held on January 14, 2010 at the Project C04 TEG meeting in Washington, DC, discusses the data sources and results on the Project C04 analyses.
Related Artifacts: Project C04 TEG Meeting Presentation (Bradley), Project C04 TEG Meeting Presentation (Donne
Kittelson & Associates, Inc (KAI), in association with the Institute for Transportation Research and Education (ITRE), the University of Utah, and Ruhr-University Bochum, submitted this amplified research plan in response to SHRP2 Project C05: Understanding the Contribution of Operations, Tec
This PowerPoint file contains the poster used by the C05 team in its TRB 2009 poster presentation.
This presentation was held at the Project C05 TCC Meeting at the Beckman Center on April 26, 2010. The presentations is titled as the project, "Understanding the Contribution of Operations, Technology, and Design to Meeting Highway Capacity Needs".
Continuing growth in urban travel demand will inevitably require more physical capacity in the transportation system. However, because of limited financial resources, high construction costs, environmental considerations, long timelines, and an increasingly complex regulatory process, capacity-ad
The purpose of this start-up guide is to provide information necessary for an end user to develop a working knowledge of the DaySim-TRANSIMS integrated model system (referred to as “the model”). The end-user start-up guide is a technical document for travel modeling practitioners who are interest
SHRP 2 Project C10A, Partnership to Develop an Integrated, Advanced Travel Demand Model and a Fine-Grained, Time-Sensitive Network, was undertaken to develop a dynamic, integrated model and to demonstrate its performance through validation tests and policy analyses. Key goals of the SHRP 2 C10A m
This study is an extension to the SHRP 2 C10A project, Partnership to Develop an Integrated, Advanced Travel Demand Model and a Fine-Grained Time-Sensitive Network: Jacksonville-Area Application. The extension was used to develop regional activity-based modeling systems for the Tampa Bay and Jack
This report instructs users how to install these files and how to run the C10B integrated model as well as all detailed input and output files associated with DynusT and FAST-TrIPs. After the introductory chapter, Chapter 2 discusses the setup of the model on the user’s hardware. Chapter 3 descri
The second Strategic Highway Research Program (SHRP 2) Project C10B, Partnership to Develop an Integrated, Advanced Travel Demand Model with Fine-Grained, Time-Sensitive Networks: Sacramento-Area Application, is an important step in the evolution of travel modeling from an aggregate, trip-based a
This memo contains the following sections: • A summary of the structure of the DaySim05 simulation program • Summaries of the DaySim05 input and output files • Instructions for running the DaySim05 program. This memo does not describe how the DaySim05 executable program is implemented inside the
This report provides information for users who wish to run the C10B integrated model. The model files to run the base scenario created for the C10B project for the Sacramento region can be downloaded from the Federal Highway Administration (FHWA) website. It should be noted that this does not rep
This report will be of interest to professionals who use travel demand and network assignment models as part of the transportation planning process. The goal of this research was to improve urban-scale modeling and network procedures to address operations or spot improvements that affect travel-t
Dynamic new model and software package allow for integration of activities, networks, and the environment resulting in more precise data to support informed decision making. This fact sheet provides an introduction to these tools.
SHRP 2 has two projects (C10A: Partnership to Develop an Integrated, Advanced Travel Demand Model and a Finegrained, Time-Sensitive Network [Jacksonville, Florida]; and C10B: Partnership to Develop an Integrated Advanced Travel Demand Model with Mode Choice Capability and Fine-Grained, Time-Sensi
SHRP2-C11 Technical guide
The Reliability Module is one of the economic analysis tools developed from SHRP 2 Project C11. It is a sketch planning corridor spreadsheet tool based on SHRP 2 Reliability Project L03 research that estimates the benefits of improving travel time reliability for use in benefit/cost analysis. Loc
The document contains the work plan for Project C11: "Development of Improved Economic Analysis Tools Based on Recommendations from Project C03"
Related Artifacts: SHRP2-C11 Request for Proposals
While the Transportation Project Impact Case Studies (T-PICS) screening tool developed in SHRP 2 Project C03 portrays the general range of economic impacts associated with various transportation projects, most agencies also move on to examine the specific changes in transportation conditions asso
Adapting the Project L03 Methods for Sketch Planning: the C11 tool.
Guide to Integrating Business Processes to Improve Travel Time Reliability
Related Artifacts: Project L34 e-Tool (Java), Project L34 e-Tool (Windows 7), Project L34 e-Tool (Windows XP and Vista)
This Amplified Work Plan provides an overview of the approach to the research and documentation to fulfill the specifications for the Reliability L01, Integrating Business Processes to Improve Travel Time Reliability.
Related Artifacts: SHRP2-L01 Request for Proposals
A presentation reviewing the L01 project methods and products.
Related Artifacts: Project L34 e-Tool (Java), Project L34 e-Tool (Windows 7), Project L34 e-Tool (Windows XP and Vista)
An overview of the SHRP2 L01 project presented at the TRB annual meeting
Related Artifacts: Project L34 e-Tool (Java), Project L34 e-Tool (Windows 7), Project L34 e-Tool (Windows XP and Vista)
Reliability is defined in this report as consistency of travel times for a particular trip. Travelers tend to estimate how long a trip will take based on parameters such as distance, time of day, and their own experience. Impacts to the transportation network that cause unexpected delays introduc
Database design usually takes the form of a schema, which formally describes the database structure, including the tables, their relationships, and constraints on data value types and lengths. Rather than defining an implementable schema, this chapter presents example tables that can store inform
The Project L02 Guide to Establishing Monitoring Programs for Travel Time Reliability describes how to develop and use a Travel Time Reliability Monitoring System (TTRMS). The guide also explains why such a system is useful; how it helps agencies do a better job of managing network performance; a
This supplement augments Chapter 3 by providing additional details about how to analyze travel time reliability for segments, routes, and networks.
Related Artifacts: L02 - Supplement A - Monitoring System Architecture; L02 - Supplement B - Methodological Details; L02 - Supple
This paper aims to establish a point-queue based end-to-end travel time prediction method on a corridor with multiple merges and diverges. In a point-queue model, a link can be considered as two segments: the free-flow segment and the queuing segment. The accompanying spreadsheet and presentation
This white paper describes an acceptable process for creating distributions of travel times for a route from distributions of the segments that compose said route. It has long been generally accepted by experts in traffic flow analysis, including statisticians, that the variability of travel time
The objective of this project is to develop system designs for programs to monitor travel time reliability and to prepare a guidebook that practitioners and others can use to design, build, operate, and maintain such systems. This document presents the amplified work plan for the project.
This paper examines a way to synthesize route travel time probability density functions (PDFs) on the basis of segment-level PDFs. Real-world data from I-5 in Sacramento, California, are employed. The first finding is that careful filtering is required to extract useful travel times from the raw
A list of work products from SHRP 2 L02 that could be tested as part of L38. The list is organized on the basis of the nominal sequence in which the work products is or could be used in a travel time reliability monitoring system or project.
This brief three-page document provides an overview of the purpose, methodology, and deliverables of the SHRP2-L02 Project. Project L02 was conducted to create methods by which travel time reliability can be monitored, assessed, and communicated to end users of the transportation system. The proj
This document shows how the Travel Time Reliability Monitoring System (TTRMS) can be used to address questions about network reliability.
Related Artifacts: L02 - Supplement A - Monitoring System Architecture; L02 - Supplement B - Methodological Details; L02 - Supplement C - C
This presentation on Project L02 was done at the Project L38 Preliminary Meeting on August 1, 2012. It provides an overview of the main Project L02 products, especially on the guidebook that describes how to develop a travel time reliability monitoring system (TTRMS).
Presentation for SHRP 2 Joint Technical Coordinating Committee Meeting
An overview of project L02 and its findings.
This technical presentation includes instructions with screenshots for using the SHRP2-L02 Corridor-Level Queue Prediction Model ("Point Queue Model"). Based on a set of analytic equations, the model was developed to calculate the number of queued vehicles ahead of the probe vehicle and to captur
Within the second Strategic Highway Research Program (SHRP 2), Project L02 focused on creating a suite of methods by which transportation agencies could monitor and evaluate travel time reliability. Creation of the methods also produced an improved understanding of why and how travel times vary a
As part of the SHRP 2 program, project L02 focuses on measuring, monitoring, and recording travel time reliability (TTR) information. Through its guidebook, case studies, and demonstration software the project will help operating agencies develop systems – hardware, software, and strategies – tha
This handbook, titled "Handbook for Communicating Travel Time Reliability Through Graphics and Tables", offers numerous ideas on how to communicate reliability information in graphical and tabular form.
It describes the display options listed in Table 1 in page 4. The table shows the au
Amplified Research Plan - SHRP2-L03
This diagram corresponds to Figure ES.2. in the SHRP2 report titled "Analytical Procedures for Determining the Impacts of Reliability Mitigation Strategies". It illustrates how several data sources came together as part of the SHRP2-L03 project. The Archive includes this very large L03 data set,
This presentation by Project L03 Principal Investigator Richard Margiotta to ITS Georgia on October 5, 2009 provides an overview of defining, measuring, and predicting reliability. The presentation ties into Project L03, which was ongoing at the time.
A webinar presentation on project L03 processes and findings.
An overview of project L03's process and findings.
An at-a-glance overview of the L03 Project.
The fundamental objective of SHRP 2 Project L03 was to develop predictive relationships between highway improvements and travel time reliability. In other words, how can the effect of an improvement on reliability be predicted? Alternatively, how can reliability be characterized as a function of
The Trajectory Processor is an essential part of the analytical framework developed under the SHRP2 L04 project to produce travel time reliability performance measures from planning and simulation model outputs. It calculates and visualizes travel time distributions and ssociated reliability indi
The purpose of this document is to describe the use of the Scenario Manager developed as part of the Strategic Highway Research Program SHRP2 L04 project titled “Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools”. The purpose and role of the Scenario Manager
This document represents the assembly of two key pieces of investigation that provide additional detail to support the project findings summarized in the Final Report. The two reports included under the Reference Material cover include:
Task 7 - Simulation Model Adaptation and Dev
This document is an amplified work plan for the SHRP 2 Project L-04 and provides a detailed description of how the research plan will be carried out by the team members.
This presentation, titled "Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools ", was performed in Irvine on April 8, 2010.
Agenda:
- Project Overview – Methodology
- Data and Candidate Networks
- Antici
A review of project L04 mid-way status 06/26/2012
An overview of the L04 project process and findings, presented as part of the SHRP2 Tuesdays webinar series. The recording is available through the Related Artifacts link.
This document provides an overview of the methodology and tools that can be applied to existing microsimulation and mesoscopic modeling software to assess travel time reliability. The methodology is primarily based on research, and the tools have been developed only at the prototype stage. Howeve
The broader goals of the Reliability focus area within the second Strategic Highway Research Program (SHRP 2) are to address unexpected traffic congestion and improve travel time reliability. To this end, SHRP 2 research projects have brought forward numerous technical measures and policies for f
The main objective of SHRP2 L04 - Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools, is to develop the capability to produce reliability performance measures as output from planning and simulation models. The project is divided into three phases. Phase I (re
A guidebook for incorporating reliability into planning and programming. This concise and easy-to-read guidebook distills the information in the final report and the techincal reference and is aimed at analysts. Highlights include tools and methods for estimating reliability suitable for planning
This Amplified Work Plan provides an overview of the project team’s approach to the research and documentation to fulfill the specifications for the Reliability L05: Incorporating Reliability Performance Measures into the Transportation Planning and Programming Processes. This Amplified Work Plan
SHRP 2 Project L05 Presentation presented to SHRP 2 L38 Information Session by Hugh Louch and Anita Vandervalk of Cambridge Systematics on August 1, 2012.
An overview of project L05 processes and findings.
The objective of SHRP 2 Reliability Project L05, Incorporating Reliability Performance Measures into the Transportation Planning and Programming Processes, is to provide guidance to transportation planning agencies on incorporating reliability into the transportation planning, programming, and bu
The objective of this research was to undertake a comprehensive and systematic examination of the way agencies should be organized to successfully execute operations programs that improve travel time reliability.
This document presents the complete range of guidance for Transportation Systems Management and Operations from which user-specific selections are made via the One-Minute Guidance Evaluation or the Customized Guidance Evaluation.
These tools are available at: http://www.aashtotsmog
Amplified Work Plan of SHRP2 L06 : Institutional Architectures to Advance Operational Strategies
An at-a-glance overview of the L06 project.
Many transportation agencies explicitly recognize the idea that we can’t build our way out of congestion. However, few state departments of transportation (DOTs) or local government transportation entities have focused effectively on how to continue to fulfill their mobility mission in an environ
The Reliability area of the second Strategic Highway Research Program (SHRP 2) has focused on the need to improve travel time reliability on freeways and major arterials. SHRP 2 Project L07 has focused specifically on design treatments that can be used to improve travel time reliability. The obje
This document provides a strategic approach to disseminating the SHRP 2 research results. Sharing these findings broadly will help to promote the adoption of new and established practices across state and local Departments of Transportation (DOTs), and ultimately stimulate the utilization of both
TRB’s second Strategic Highway Research Program (SHRP 2) Reliability Project L07 has released a prepublication, non-edited version of an Analysis Tool for Design Treatments to Address Nonrecurrent Congestion: Annotated Graphical User’s Guide Version 1.0. The guide is intended to assist users of t
A description of project L07's spreadsheet tool.
This document provides a summary or outline of the Design Guidebook. The objective of SHRP 2 Project L07 is to evaluate the cost-effectiveness of geometric design treatments to reduce nonrecurrent congestion. One of the products of the research is a design guidebook that presents quantitative inf
This amplified work plan summarizes the approach of the Midwest Research Institute team to accomplish the expanded scope; which addressed non recurrent congestion caused by snow and ice and other weather related events, in SHRP2 Project L07: "Evaluation of Cost-Effectiveness of Highway Design Fea
This presentation, titled "Analytic Procedures for Determining the Impacts of Reliability Mitigation Strategies" was part of the SHRP2 Tuesdays Webinar Series. It covers Project L03/L33 and Project L07, which deal with the analytical relationships between reliability, non-recurring congestion, an
A presentation describing the key products of Project L07 and how they can be used to evaluate the potential effectiveness of various design treatments to improve travel time reliability.
The purpose of this guide is to provide traffic engineers, highway designers, transportation planners, and decision makers with a catalog of highway design treatments that can be used to reduce nonrecurrent congestion and improve the reliability of urban and rural freeways. Nonrecurrent congestio
The Reliability area of the second Strategic Highway Research Program (SHRP 2) has focused on the need to improve travel time reliability on freeways and major arterials. SHRP 2 Project L07, Identification and Evaluation of the Cost-Effectiveness of Highway Design Features to Reduce Nonrecurrent
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The software and documentation produced during Project L08 are currently being updated as part of NCHRP 3-115. Updated products will be available in early 2016 at hcm2010.org. After the 2016 release of upd
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The software and documentation produced during Project L08 are currently being updated as part of NCHRP 3-115. Updated products will be available in early 2016 at hcm2010.org. After the 2016 release of upd
This document contains a list of points made by participants at webinars, meetings with the HCQSC, the L08 TETG, and other key stakeholders.
Highway Capacity Manual Chapter 36 March 12, 2013 Example Problem 1: Reliability Evaluation of an Existing Freeway Facility Example Problem 2: Geometric Treatment for Facility in Example Problem 1 Example Problem 3: Incident Management Treatment for Facility in Example Problem 1 Example Problem 4
This brochure-like factsheet introduces the topic of "Predicting the Unpredictable: Better Travel-Time Reliability for Busy Roads" to practitioners. It highlights new tools help identify the best ways to improve travel-time reliability by addressing the causes of delay.
A webinar update on the findings of project L08.
This presentation contains a demonstration of the FREEVAL-RL tool. It was presented at the L38 workshop in Washington, D.C. in March 21, 2013.
This file contains the presentation done by Kittelson & Associates, ITRE, and Cambridge Systematics at the Washington, D.C. SHRP-2 L38 workshop in March 20, 2013.
A presentation on project L08 processes and findings.
This document is intended to provide guidance on using the FREEVAL-RL computational engine, which implements the Freeway Reliability Analysis methodology developed in SHRP 2 Project L08. FREEVAL-RL is a Microsoft Excel–based computational engine coded in the Visual Basic for Applications (VBA) pl
Travel time reliability reflects the distribution of travel time of trips using a facility over an extended period of time. This distribution arises from the interaction of a number of factors that influence travel times:
Recurring variations in demand, by hour of day, day of week, andThis final report documents the activities performed during SHRP 2 Reliability Project L08: Incorporating Travel Time Reliability into the Highway Capacity Manual. It serves as a supplement to the proposed chapters for incorporating travel time reliability into the Highway Capacity Manual prepare
SHRP2 Project L08 is developing methods and guidance on incorporating travel time reliability into Highway Capacity Manual (HCM) analyses. The main product of this project will be a guidebook that describes travel time reliability concepts for an HCM audience, provides step-by-step processes for
This Amplified Work Plan provides an overview of the approach to the research and documentation to fulfill the specifications for the SHRP2 L10: "Feasibility of Using In_Vehicle Video Data to Explore How to Modify Driver Behavior that Causes Non-Recurring Congestion."
This is a summary of findings from Project L10: "Feasibility of Using In-Vehicle Video Data to Explore How to Modify Driver Behavior that Causes Non-Recurring Congestion."
Nonrecurring congestion is traffic congestion due to nonrecurring causes, such as crashes, disabled vehicles, work zones, adverse weather events, and planned special events. According to data from the Federal Highway Administration (FHWA), approximately half of all congestion is caused by tempora
This one page document, "Planning Cost-Effective Actions to Improve Travel-Time Reliability", briefly summarizes the requirements, actions, and performance-based planning options to improve non-recurring congestion.
Poster explaining graphically and concisely the project.
This project brief, titled "Travel Time Reliability 2030: Innovations and Strategies for Today and Tomorrow" provides an overview of two SHRP2 reliability projects: Project L11 (Evaluating Alternative Operations Strategies to Improve Travel Time Reliability) and Project L15B (Proximity Informatio
This project recognizes the imperative to maximize the value and capabilities of our existing transportation infrastructure, and to do so in the context of a collaborative decision-making process that allows agencies and jurisdictions to make prudent decisions for investing scarce resources.
