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August 10, 2021

Top Stories

Join CCEE for 150th celebration

Graphic: Iowa State University CCEE 150th anniversary logo
Join the Institute for Transportation (InTrans) in wishing a happy 150th anniversary to our friends at the Department of Civil, Construction, and Environmental Engineering (CCEE) at Iowa State University (ISU).

To celebrate, CCEE has scheduled a series of events from September 16th to 18th in Ames and Des Moines. RSVP for any or all of the events here. The deadline to register is September 1st. More

LCCA tool evaluates costs for Iowa’s bridge decks

Photo: Epoxy injection
The ability of agencies to incorporate life-cycle cost analysis (LCCA) into their bridge management programs has become more important as the gap between their maintenance needs and their available resources has grown.
To help agencies address that need, Bridge Engineering Center (BEC) Structure and Infrastructure Engineer and ISU CCEE Associate Professor Alice Alipour developed a software tool that allows users to thoroughly and realistically evaluate and compare maintenance costs for bridge decks over a bridge’s lifetime. With this information, users can make investment decisions considering all maintenance costs during the period over which alternatives are compared. More

Data-driven tool can aid in identifying non-motorist crash trends

Image: Crash data screenshot
Crash reports and other raw data—no matter how accurate—aren’t always helpful in identifying patterns, which makes it difficult to address problem areas. That’s why InTrans’ Real-Time Analytics of Transportation Data (REACTOR) Lab has developed several interactive crash tools that literally show those patterns.
“There’s a place for tables and summary statistics and fact sheets, and things like that, but interactive tools really provide more of an understanding to people. They can get a better feel for it,” said Zach Hans, Director of InTrans’ Center for Weather Impacts on Mobility and Safety, who was involved in the development of one of the interactive tools that focuses on non-motorist crashes. More

InTrans researchers study COVID impacts on speed and safety in Minnesota

Photo: Vehicles passing by work zone
Like in Iowa, Minnesota residents drove significantly less in 2020 due to the COVID-19 pandemic. However, Minnesota Department of Transportation (MnDOT) staff noticed a substantial increase in fatal motor vehicle crashes. MnDOT Traffic Safety Engineer Derek Leuer and his colleagues want to know why, particularly in rural areas where fatalities and injury rates were higher.
To help quantify differences in travel speeds due to lower volumes and COVID-19 conditions in Minnesota, Institute for Transportation (InTrans) Director Shauna Hallmark and Associate Director Neal Hawkins are leading a research project co-sponsored by MnDOT and the Minnesota Local Road Research Board. Their work will ultimately help inform agency decisions about potential countermeasures, enforcement, and messaging strategies. More

News Briefs

REACTOR Lab research on smart arrow boards featured in ATSSA publication See Story
Iowa LTAP names Work Zone Safety Sign Package Program winners See Story
ACS recognizes bio-based asphalt research team See Story

Recent InTrans Research

June 2021

Development of Iowa Pavement Analysis Techniques Jun 2021
Guidance on Use of Channelization for Two-Lane Two-Way Work Zone Configurations Jun 2021
Developing an Architecture to Integrate Safety, Mobility, and Traffic Data Jun 2021
Lateral Slide of Multi-Span Bridges: Investigation of Connections and Other Details Jun 2021
Evaluation and Preparation for Future Work Zone Safety Workshops Jun 2021
2020-2021 Iowa LTAP Work Zone Safety Sign Package Program Jun 2021
Using Smart Work Zone Trailer Data to Evaluate and Predict Lane Closure Impacts with a Consideration of Work Intensity Jun 2021

May 2021

Evaluating ASCT Operations for Dodge Street Corridor May 2021
Impacts of Atmospheric Rivers in the Transportation Sector May 2021
Speed Feedback Sign Loan Program Workplan May 2021

April 2021

Chip Seal Design and Specifications – Implementation Phase (Phase II) Apr 2021
Copyright © *2021* *Institute for Transportation, Iowa State University*, All rights reserved.

Institute for Transportation
2711 S Loop Drive / Suite 4700 / Ames, IA 50010
From traffic safety to big data and from preservation to education, InTrans focuses on research and service that impact transportation now and into the future.

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