<?xml version="1.0" encoding="utf-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>TRB Publications Index</title><link>http://pubsindex.trb.org/</link><atom:link href="http://pubsindex.trb.org/common/TRIS Suite/feeds/rss.aspx?s=PHNlYXJjaD48cGFyYW1zPjxwYXJhbSBuYW1lPSJsb2NhdGlvbiIgdmFsdWU9IjIiIC8%2BPHBhcmFtIG5hbWU9InN1YmplY3Rsb2dpYyIgdmFsdWU9Im9yIiAvPjxwYXJhbSBuYW1lPSJ0ZXJtc2xvZ2ljIiB2YWx1ZT0ib3IiIC8%2BPC9wYXJhbXM%2BPGZpbHRlcnM%2BPGZpbHRlciBmaWVsZD0ia2V5d29yZHMiIHZhbHVlPSImcXVvdDtOTjpOZ2drcyZxdW90OyIgb3JpZ2luYWxfdmFsdWU9Ik5OOk5nZ2tzIiAvPjwvZmlsdGVycz48cmFuZ2VzIC8%2BPHNvcnRzPjxzb3J0IGZpZWxkPSJwdWJsaXNoZWQiIG9yZGVyPSJkZXNjIiAvPjwvc29ydHM%2BPHBlcnNpc3RzPjxwZXJzaXN0IG5hbWU9InJhbmdldHlwZSIgdmFsdWU9InB1Ymxpc2hlZGRhdGUiIC8%2BPC9wZXJzaXN0cz48L3NlYXJjaD4%3D" rel="self" type="application/rss+xml" /><description></description><language>en-us</language><copyright>Copyright © 2015. National Academy of Sciences. All rights reserved.</copyright><docs>http://blogs.law.harvard.edu/tech/rss</docs><managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor><webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster><image><title>TRB Publications Index</title><url>http://pubsindex.trb.org/Images/PageHeader-wTitle.png</url><link>http://pubsindex.trb.org/</link></image><item><title>Developing a Guide for Incorporating Uncertainty into Long-Range Transportation Planning</title><link>http://pubsindex.trb.org/view/2682193</link><description><![CDATA[This research aimed to achieve two major goals: (1) Enable decision-makers and staff within state departments of transportation (DOTs) and metropolitan planning organizations (MPOs) to identify key points of flexibility within the planning process to better address uncertainty, and (2) Provide technical and organizational strategies to inform investment decisions and proactive adaptation to meet agency goals. These goals were accomplished through the completion of research objectives and creation of final deliverables. This report is organized into three chapters: The first chapter introduces the research and its objectives; The second chapter summarizes the Phase I research completed in the Task 1 foundational research, Task 2 outreach (questionnaire and focus groups), and Task 3 case studies. Complete findings from these tasks are included in an Appendix, which also incorporates edits in response to panel feedback on prior deliverables; and  The third chapter describes the Phase II research, including the way the research report and toolkit were developed, the testing workshops that allowed the research team to gather feedback on the proposed research report and toolkit from partner agencies, and the high-level findings of the peer exchange between partner agencies after the testing workshops.]]></description><pubDate>Sun, 22 Mar 2026 17:18:11 GMT</pubDate><guid>http://pubsindex.trb.org/view/2682193</guid></item><item><title>Incorporating Uncertainty into Long-Range Transportation Planning: A Guide</title><link>http://pubsindex.trb.org/view/2682175</link><description><![CDATA[This report presents strategies to assist state departments of transportation (DOTs) with incorporating uncertainty into their long-range transportation planning processes. The guide provides suggestions on plan scoping, development, implementation, and capacity building. It was developed based on an extensive review of literature and practice and documents sources of uncertainty, decision-making frameworks, data and methods, and the regulatory context. The information contained in the guide will be of immediate interest to transportation planners and decision-makers. The findings will serve as a valuable resource for state DOTs and other public transportation agencies.]]></description><pubDate>Sun, 22 Mar 2026 17:18:11 GMT</pubDate><guid>http://pubsindex.trb.org/view/2682175</guid></item><item><title>Census Data Field Guide for Transportation Applications</title><link>http://pubsindex.trb.org/view/2611486</link><description><![CDATA[This report presents a comprehensive field guide for transportation practitioners on how to effectively utilize census data to support transportation analyses. The field guide is based on scenarios that illustrate various uses of census data to address transportation issues. This field guide will be of immediate interest to transportation planners, metropolitan planning organizations (MPOs), and transit operators.]]></description><pubDate>Mon, 27 Oct 2025 11:30:23 GMT</pubDate><guid>http://pubsindex.trb.org/view/2611486</guid></item><item><title>NCHRP Research Reports 1035 and 993: Setting Performance Targets That Matter</title><link>http://pubsindex.trb.org/view/2381895</link><description><![CDATA[This article presents highlights from two National Cooperative Highway Research Program (NCHRP) Research Reports created to help state departments of transportation and metropolitan planning organizations decide how to set performance targets, the level at which to set them, and how to navigate the messages their targets send to sponsors and the public. The reports are: NCHRP Research Report 1035: Guide to Effective Methods for Setting Transportation Performance Targets; and NCHRP Research Report 993: Managing Performance to Enhance Decision-Making: Making Targets Matter. Together, these resources can help agencies set targets for the national performance measures and use them and other performance measures to influence decision making to improve system performance.]]></description><pubDate>Wed, 29 May 2024 09:28:54 GMT</pubDate><guid>http://pubsindex.trb.org/view/2381895</guid></item><item><title>Is Federal Transportation Performance Management on Target?</title><link>http://pubsindex.trb.org/view/2381893</link><description><![CDATA[The Moving Ahead for Progress in the 21st Century Act (MAP-21), signed into law in 2012, included new federal transportation performance management requirements for state departments of transportation (DOTs), metropolitan planning organizations (MPOs), and transit operators. For the first time, public agencies were required to set targets, monitor performance, and align investments to support progress toward a consistent set of federally identified measures related to safety, asset management, and system performance. On March 30, 2023, the Transportation Research Board (TRB) held a webinar—Successes and Challenges: The First 4 Years of Federal Performance Management—to explore this topic. This article presents an overview, from benefits to unintended consequences, of the response to federal performance rules and explores opportunities for future improvement.]]></description><pubDate>Wed, 29 May 2024 09:28:54 GMT</pubDate><guid>http://pubsindex.trb.org/view/2381893</guid></item><item><title>Practices for Statewide and MPO Coordination</title><link>http://pubsindex.trb.org/view/2369299</link><description><![CDATA[The objective of this synthesis is to document current state department of transportation (DOT) practices related to coordinating planning and programming requirements with metropolitan planning organizations (MPOs), as well as any common challenges with fulfilling regulatory requirements. Federal transportation legislation requires formalized coordination between DOTs and MPOs in transportation planning and programming processes. DOTs have varying practices in implementing the 3C (continuing, comprehensive, and cooperative) planning process with their MPO partners. This synthesis gathered information through a literature review, a survey of DOTs, and follow-up interviews with selected DOTs. Five case examples provide additional information on practices for state DOT and MPO coordination in planning and programming.]]></description><pubDate>Sat, 20 Apr 2024 18:43:15 GMT</pubDate><guid>http://pubsindex.trb.org/view/2369299</guid></item><item><title>Graphic Guidance for Long-Range Transportation Plans</title><link>http://pubsindex.trb.org/view/2315359</link><description><![CDATA[For more than a half century, federal policy has required metropolitan planning organizations (MPOs) to communicate regional priorities through long-range transportation plans (LRTPs). Despite the length of that requirement and the high cost of the associated investments, there are virtually no resources to guide MPOs in graphically communicating these plans to the public. This research reviews 1,502 graphics from a stratified random sample of LRTPs from 20 MPOs across the United States with populations less than 200,000. Quantitative and qualitative analyses were conducted to assess current graphic practices and generate suggestions to guide MPOs in enhancing graphic communication. This review categorizes LRTP graphics into three types (spatial, numeric, and concept), identifies the frequency, components, and uses of each type, and then proposes a set of 26 “core” graphics as a common baseline for all LRTPs.]]></description><pubDate>Fri, 29 Dec 2023 13:36:21 GMT</pubDate><guid>http://pubsindex.trb.org/view/2315359</guid></item><item><title>Improving MPO and SHSO Coordination on Behavioral Traffic Safety: Guide and Toolkit</title><link>http://pubsindex.trb.org/view/2236976</link><description><![CDATA[This report presents evidence-based information and tools to help improve coordination between state highway safety offices (SHSOs) and metropolitan planning organizations (MPOs) on behavioral traffic safety. This publication will be of interest to SHSOs, MPOs, state departments of transportation (DOTs), and other stakeholders concerned with improving traffic safety.]]></description><pubDate>Wed, 30 Aug 2023 11:28:06 GMT</pubDate><guid>http://pubsindex.trb.org/view/2236976</guid></item><item><title>Development and Application of Quantitative Macro-Level Safety Prediction Models</title><link>http://pubsindex.trb.org/view/2204422</link><description><![CDATA[This report presents representative macro-level crash prediction models (CPMs) to allow agencies to incorporate substantive safety analysis more comprehensively into long-range transportation planning, programming, and policy development. The representative macro-level CPMs, resulting from a comprehensive laboratory investigation, will assist planners, analysts, and safety practitioners in developing tools to address a broad range of safety planning issues related to macro-level models. This report will be of immediate interest to metropolitan planning organizations (MPOs) and transportation planning engineers.]]></description><pubDate>Sun, 09 Jul 2023 18:28:37 GMT</pubDate><guid>http://pubsindex.trb.org/view/2204422</guid></item><item><title>Developing a Guide to Effective Methods for Setting Transportation Performance Targets</title><link>http://pubsindex.trb.org/view/2195079</link><description><![CDATA[The purpose of this project is to disseminate a practitioner-ready guide for state departments of transportation (DOTs) that focuses on methods for the target-setting component of transportation performance management. The resulting guide is designed to help state DOTs and metropolitan planning organizations (MPOs) identify effective methods for setting transportation performance targets for the national measures. It provides a menu of target setting methods for the national performance measures. Agencies can use the guide to assess the options available and choose methods based on data availability, staff expertise, and program objectives. The guide discusses issues that agencies should consider in selecting a target setting method and provides tips to help make the target setting process itself valuable for agencies. It also provides information on considerations related to setting targets for performance measures that are not required. This Conduct of Research Report summarizes the overall conduct of research used as part of the NCHRP Project 23-07, including the research approach, key findings, and outreach conducted to support the development and dissemination of the Guide to Effective Target Setting Methods.]]></description><pubDate>Sun, 18 Jun 2023 18:12:35 GMT</pubDate><guid>http://pubsindex.trb.org/view/2195079</guid></item><item><title>Continuous Network Design Using Partial Linearized Subgradient Methods</title><link>http://pubsindex.trb.org/view/2140211</link><description><![CDATA[Although demand management has shown to be a vital tool in managing congestion, many metropolitan planning organizations (MPOs) and departments of transportation (DOTs) still pursue network modification and capacity increase as a congestion relief and a mitigation measure. The network design problem (NDP) still has, therefore, an essential and significant role in shaping and sizing urban transportation networks. The literature has traditionally treated the NDP as a bi-level mathematical programming problem or a mathematical program with equilibrium constraints (MPEC). In the bi-level optimization setting, the problem is approached as a leader-follower problem in which the lower level is a user equilibrium (UE) assignment problem as the follower, and the upper level is the network sizing problem as the leader problem. NDP has long been known as a challenging problem, and many solution algorithms have been proposed to solve it. This study proposed an efficient solution algorithm for the continuous network design problem (CNDP). The solution algorithm has been shown empirically to solve the CNDP in a shorter time using partial linearized subgradient methods. The proposed method was applied to a small network that was traditionally used to evaluate the performance of solution algorithms versus Braess’s paradox. It was then applied to the Sioux Falls network as a well-known benchmark network to compare the results with previous studies. The proposed method has been shown to run much faster than all the previous studies reviewed in this paper with minimal degradation of accuracy (0.52% lower than the best solution).]]></description><pubDate>Thu, 23 Mar 2023 13:17:52 GMT</pubDate><guid>http://pubsindex.trb.org/view/2140211</guid></item><item><title>Program Management Insights for the Section 5310 Program, Including Subrecipient Consolidation and Urban 5310</title><link>http://pubsindex.trb.org/view/2093294</link><description><![CDATA[The research results identify current program management practices used by Section 5310 recipients, including state departments of transportation (DOTs), metropolitan planning organizations (MPOs), and urban transit agencies, to effectively manage multiple Section 5310 subrecipients. The Task 79 research was conducted with the intent of producing results that help Section  5310 recipients identify new Section  5310 program management approaches that could be implemented in their own areas to make overseeing and providing assistance to multiple subrecipients not only more effective but also less demanding. Research findings will also inform transit industry leaders such as the American Public Transit Association (APTA) and the Community Transportation Association of America (CTAA) on how best to influence the future of Section 5310 programs under the current authorization as well as those yet to come.]]></description><pubDate>Sun, 08 Jan 2023 18:06:49 GMT</pubDate><guid>http://pubsindex.trb.org/view/2093294</guid></item><item><title>Virtual Public Involvement: Lessons from the COVID-19 Pandemic</title><link>http://pubsindex.trb.org/view/2085666</link><description><![CDATA[NCHRP Project 08-142, “Virtual Public Involvement: A Manual for Effective, Equitable, and Efficient Public Involvement” will address a major gap in the public involvement guidance currently available to transportation agencies seeking to use virtual tools and techniques to facilitate two-way communication with the public. State departments of transportation (DOTs), metropolitan planning organizations (MPOs), rural planning organizations (RPOs) and other transportation agencies will benefit from the development of structured, research-based guidance on how to choose and employ virtual public involvement (VPI) tools effectively, efficiently and – perhaps most important – equitably. This effort will capture unique insights from the COVID-19 pandemic period as well as prior knowledge about VPI and, hopefully, emerging insights from the initial post-pandemic period. The research will generate important new information to help guide agencies of any size or with any level of experience with VPI. Moreover, the research process, which includes significant dialogue with agencies and practitioners, provides a chance for sustained discussion in our industry about what the “new normal” in public involvement should look like – and how this guide can support beneficial and equitable VPI in the transportation sector. This technical document summarizes Phase 1 of the research study, focused exclusively on the recent experience of undertaking and transitioning to VPI during the COVID-19 pandemic. Phase 1 research included a literature review/practice scan, an online agency survey, facilitated focus group discussions, and targeted structured interviews. Subsequent phases of the project will include the development of a guide for transportation agencies on virtual public involvement.]]></description><pubDate>Thu, 22 Dec 2022 10:07:39 GMT</pubDate><guid>http://pubsindex.trb.org/view/2085666</guid></item><item><title>Guide to Effective Methods for Setting Transportation Performance Targets</title><link>http://pubsindex.trb.org/view/2043525</link><description><![CDATA[This guide is designed to help State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) identify effective methods for setting transportation performance targets for the national measures. It provides a menu of target setting methods for the national performance measures. Agencies can use this guide to assess the options available and choose methods based on data availability, staff expertise, and program objectives. The guide discusses issues that agencies should consider in selecting a target setting method and provides tips to help make the target setting process itself valuable for agencies. It also provides information on considerations related to setting targets for performance measures that are not required. The guide is organized in three parts:  Target Setting Methods Overview and Tips;  A Menu of Target Setting Methods; and Target Setting for Nonrequired Measures.]]></description><pubDate>Wed, 19 Oct 2022 16:36:30 GMT</pubDate><guid>http://pubsindex.trb.org/view/2043525</guid></item><item><title>Merging Open Source and Proprietary Geographic Information System Network Datasets to Create an All-Paths Network for Bicycles</title><link>http://pubsindex.trb.org/view/1996401</link><description><![CDATA[All-paths (public streets plus all paths traversable by bike) transportation networks are critical resources for bicycle transportation planning as they are a prerequisite to using bicycle connectivity measures and preference-based route choice models. Creating an all-paths network from scratch is a very expensive and labor-intensive process, so it is logical to utilize existing datasets. While there are numerous sources of transportation network data, these networks can vary significantly in terms of geographic coverage, the number of links and nodes, and the quality of link attribute information. Additionally, any one network on its own often does not provide all the attributes necessary for bicycle connectivity measures or preference-based route choice models. This research presents an open and repeatable process for filtering, comparing, and conflating different network datasets to create a streamlined all-paths network with as much network coverage and attribute information as possible. The relative advantages that each network under consideration brings to a conflated network is assessed based on their network characteristics, amount of overlap with other networks, and the quality and breadth of its link attribute data. Three network datasets were used to demonstrate this process in this research: HERE Road Data, OpenStreetMap, and an MPO’s travel demand model network. This process will enable transportation engineers and planners with access to multiple GIS networks to work towards building a bike specific all-paths network for use in planning bicycle infrastructure in a systematic, network-based manner.]]></description><pubDate>Thu, 21 Jul 2022 17:08:27 GMT</pubDate><guid>http://pubsindex.trb.org/view/1996401</guid></item></channel></rss>