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Research

Project L07 Report: Further Development

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

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Background Material

Project L07 Information Dissemination Plan

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

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Software Tool

Analysis Tool for Design Treatments to Address Nonrecurrent Congestion

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

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Software Tool

Summary – Spreadsheet-based Evaluation Tool

A description of project L07's spreadsheet tool.

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Standards & Recommended Practices

Overview of the Design Guide for Addressing Design Features to Reduce Nonrecurrent Congestion

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

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Background Material

L07 Amplified Work Plan

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

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Presentation

L07 Webinar Presentation

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

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Presentation

Highway Design Features to Reduce Nonrecurrent Congestion

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.

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Standards & Recommended Practices

Design Guide for Addressing Nonrecurrent Congestion

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

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Software Tool

Project L07 Final Report

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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