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Research Search Results

State-of-the Practice

Uses of Social Media in Public Transportation

This report explores the use of social media among transit agencies and documents successful practices in the U.S. and Canada. Thirty-four of 39 transit agencies in large metro, small urban, and rural areas responded to a survey, and six of those participated in phone interviews to develop case e

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Research

Integrating Business Processes to Improve Travel Time Reliability

The report is based on a series of case studies, mainly from the United States, that describe successful business processes. One case study on active traffic management from the United Kingdom is also presented. The case studies show how business processes were successfully reengineered in operat

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Research

Integrating Business Processes to Improve Travel Time Reliability

The report is based on a series of case studies, from the United States and one from Great Britain, that describe successful business processes. The case studies show how business processes were successfully improved in operational areas such as traffic incident management (TIM), work zone m

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Research

Guide to Integrating Business Processes to Improve Travel Time Reliability

The guide is based on a series of case studies, from the United States and one from Great Britain, that describe successful business processes. The case studies show how business processes were successfully improved in operational areas such as traffic incident management (TIM), work zone ma

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Case Studies & Lessons Learned

Crashes vs. Congestion -- What's the Cost to Society?

This report is an expansion on a study completed in 2008 which examined the costs of crashes to society. The results of that study are then compared with the costs of congestion on a per person basis. Overall, the cost of crashes per person is much higher than the cost of congestion per pers

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Research

2011 Congested Corridors Report

This inaugural report uses 2010 INRIX traffic data to analyze 328 specific (directional) freeway corridors in the U.S. for congestion conditions and reliability. Detailed hour-by-hour data revealed when and how congestion occurs, and allowed the authors to suggest how much extra “buffer” time is

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Research

Seismic Isolation Design Examples of Highway Bridges

The objective of this research was to develop the Third Edition of the AASHTO Guide Specifications for Isolation Design with examples.
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Research

Directory of Significant Truck Size and Weight Research

The body of research related to large truck size and weight is extensive, dating back nearly 80 years. In this context, the term “large truck” is generally understood to include single unit or combination vehicles in excess of 10,000 lbs, and in particular, vehicles in excess of 26,000 lbs. Early re
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Research

Challenges and Opportunities: A Strategic Plan for Equipment Management Research

The project identified the grand challenges that face the organizations that manage highway maintenance equipment and the research needed to address them . These challenges and research needs were identified based on input provided by professionals involved in the different aspects of equipment ma
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Research

2011 Urban Mobility Report

The 2011 Urban Mobility Report is a document prepared by the Texas Transportation Institute studying congestion, both currently and historically, in the United States. Data provided by INRIX, a software firm that studies historical and real-time travel time, coupled with traffic volume data from

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