Research News Archive

InTrans graduate student wins best student paper award

October 08, 2018

Pranamesh Chakraborty is researching traffic incident detection at the Institute for Transportation (InTrans), so he is well aware of the many advantages and some shortcomings of the different data sources that provide useful information in determining ...

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New ISU study predicts roosting habitats of threatened bats under bridges

July 06, 2018

Engineers and scientists rarely get together to talk about bats, but when they do, they have unprecedented research to share.

Researchers from the Institute for Transportation (InTrans) at Iowa State University have completed a unique ...

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UHPC overlay equipment makes US debut in Iowa

June 22, 2018

Technologies can be implemented quicker when all parties work together.


Iowa ...

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REACTOR Lab data gives insights into motorcycle crashes

May 25, 2018

A new interactive tool created at the REACTOR Lab will help to better understand motorcycle crashes in Iowa.

The data collected from 2015 to 2017 on crashes involving motorcycles helps offer insights into why the incidents occur, where ...

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App data have potential to aid Iowa DOT traffic operations

April 16, 2018

The Iowa Department of Transportation (DOT) is clear that people shouldn’t text and drive, but that doesn’t mean that cellular phone applications aren’t able to aid its operations.

The crowd-sourced app Waze provides ...

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InTrans works with Iowa DOT to improve work zone safety

April 11, 2018

Monday marked the beginning of work zone safety awareness week.

But for engineers at Iowa State University’s Institute for Transportation (InTrans) and staff at the Iowa Department of Transportation (DOT), work zone safety awareness ...

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InTrans prepares to host first Innovation Demonstration & Training Day

April 02, 2018

Mark your calendars. In less than two weeks, Iowa State University’s Institute for Transportation (InTrans) will host its first ever Innovation Demonstration & Training ...

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REACTOR Lab aids in Iowa DOT congestion report

March 26, 2018

While Iowa’s interstates make up a fraction of the state’s overall roadway miles – just 0.7 percent of the system – it has an outsize representation in its usage. Iowa’s interstates support 25 percent of vehicle miles ...

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InTrans Transportation Centers Help Bridge the Gaps

March 01, 2018

Nearly half of U.S. bridges are nearing the ends of their projected life cycles. An estimated quarter of U.S. bridges are deficient in some fashion. That makes construction of new bridges that are safer, more resilient, and less expensive a high ...

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InTrans’ Anuj Sharma spotlights big data research at TRB

February 28, 2018

One of the biggest questions in technological fields today is how to use all of the data that is now readily available to implement practical solutions to pressing problems.


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Chris Day joins InTrans in ‘big data’ projects

February 12, 2018

Chris Day already knows “big data” is a big deal. The next step is researching how to use those figures to make roadway systems safer and more efficient.

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InTrans hosts Traffic and Safety Focus Group

February 08, 2018

Approximately 40 people aiming to make roadways safer and more efficient met at Iowa State University’s Institute for Transportation (InTrans) on Wednesday to discuss future ...

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NBC's TODAY Show looks at ISU's heated concrete. Can it melt air travel headaches?

January 29, 2018

Can new Iowa State technology that heats runways improve safety and help prevent airport weather delays? NBC's Jeff Rossen of the TODAY Show talked with Halil Ceylan, professor of civil, construction and environmental engineering and director ...

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Three new Internal Curing publications from the CP Tech Center

December 22, 2017

How does internal curing of concrete affect performance and long-term stability of concrete?  Three new reports from the National Concrete Pavement Technology (CP Tech) Center offer timely assessments of several aspects of the internal curing ...

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Teachers get educated at InTrans through RET program

December 13, 2017

Darwin Daugaard left the classroom for the summer, after his 38th year of teaching, and almost immediately got back to work.


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Past case study looked at converting one-way streets to two-way in Des Moines

November 08, 2017

A 2006 case study looked at changing Des Moines business district streets from one-way to two-way.

The study is titled "Converting CBD Roadways from One-Way to Two-Way Traffic Flow: A Case Study for the City of Des Moines."

The ...

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Ultra-high performance concrete and bridge infrastructure go hand-in-hand, according to recent research

October 10, 2017

According to the American Society of Civil Engineers, the average bridge in the United States is 43 years old.

With an intended design service life of 50 years, a large number of the nation’s bridges are already considered to be ...

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Winter Is Coming. What If Roads And Runways Could De-Ice Themselves?

October 02, 2017

A news story about heated roads and runways from public radio station WHYY in Philadelphia and distributed nationally by National Public Radio features a researcher from one of the programs at the Institute for Transportation at Iowa State University.

Research ...

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Iowa State researchers take new long-lasting highway findings on the road

July 24, 2017

Transportation engineers plan efforts to teach new concrete specifications to states in effort to cut delays, extend life of roadways

It is hard to imagine a summer without the delays of road construction; however, researchers ...

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Researchers seeking new way for counties to recycle gravel on roads

July 21, 2017

When water receded from the massive 2011 Missouri River flood, Pottawattamie County gravel roads were buried in loess silt, the fine-grain soil of western Iowa’s scenic Loess Hills.

To reopen the rural roads, the county wanted ...

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Full-depth reclamation with cement publication now online

May 12, 2017

A new guide about a sustainable engineering technology in pavement rehabilitation has been published by the National Concrete Pavement Technology Center at Iowa State University.

The “Guide to Full-Depth Reclamation (FDR) with ...

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Erica Mack represents ISU and civil engineering department at annual Capitol event

April 05, 2017

It’s all about a smooth path moving forward. And luckily for Erica Mack, her research is in concrete permeability and durability testing.

Mack, a senior in the Department of Civil, Construction, and Environmental Engineering at ...

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Iowa State engineers test heated pavement technology at Des Moines International Airport

March 29, 2017

Halil Ceylan and a group of Iowa State University engineers are testing heated pavement technologies at the Des Moines International Airport.

They've installed two test slabs of electrically conductive concrete. And so far this winter, ...

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MTC Research Spotlight: Implementation of Transportation Asset Management in Grandview, Missouri

March 16, 2017

The successful implementation of transportation asset management (TAM) by local governments facilitates the optimization of limited resources. In fact, the use of a data-driven TAM program can help to identify and prioritize needs, identify and ...

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Making work zones ‘work’: FHWA awards $1.5M safety grant to ISU-InTrans

March 06, 2017

Introducing changes to the normal driving experience presents a variety of safety risks, and work zones are no exception to this rule. While work zone fatalities have been trending down since reaching a high of 1,186 in 2002, a recent plateau has ...

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Data analytics access would help trucking companies improve safety, productivity

February 28, 2017

The trucking industry loses billions of dollars and wastes millions of hours each year sitting idle in traffic. Helping drivers avoid congestion would increase productivity and improve safety, says a team of Iowa State University and industry researchers.

The ...

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Bridge monitoring is immediate, autonomous and easily accessible

November 09, 2016

If a highway bridge fails, the results can be catastrophic.

Fortunately, bridge failure in the United States is the excep­tion—with, on average, about 50 bridges each year failing. And to ensure bridge performance as much as ...

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Optimizing the support system under concrete pavements

November 01, 2016

High-quality foundation layers (the natural subgrade, the subbase, and embankment) are essential for optimizing pavement performance. No matter how well a pavement is designed, lack of uniform support conditions can contribute to premature pavement ...

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$1 million NSF award to help researchers reduce the impacts of traffic incidents

October 10, 2016

A team led by an Iowa State University Institute for Transportation (inTrans) researcher has been granted a $1 million, three-year National Science Foundation award to develop an improved system to reduce the duration and impacts of  traffic ...

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ISU pavement center, West Des Moines testing a modified concrete mixture

September 12, 2016

A new industrial development in West Des Moines, Iowa, is providing a unique opportunity to test a modified concrete mixture on several pavement sections. The city is especially interested in monitoring the performance of the pavements’ joints.

The ...

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Hawkins in 'PI Spotlight' by Illinois Center for Transportation

August 01, 2016
InTrans associate director and Center for Transportation Research and Education director Neal Hawkins has been highlighted in the "PI Spotlight" by the Illinois Center for Transportation.   See the story:
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InTrans pavement markings research featured in Roads & Bridges magazine

June 21, 2016

Research on pavement markings by the Institute for Transportation's Neal Hawkins, Omar Smadi, and Skylar Knickerbocker was featured in Roads & Bridges magazine.

The team of researchers recently partnered with the Minnesota ...

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ISU transportation data service helping State Patrol determine highway ‘deer hotspots’

June 08, 2016

It’s not news when cars hit deer, but the Iowa Department of Public Safety, which includes the State Patrol, has taken notice of the collective damage to its vehicles from striking whitetails and other animals.

That’s why ...

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InTrans research takes novel approach to integrating climate into transportation planning

May 10, 2016

Iowa State University climate researchers have led the development of a new method that could help transportation departments to better plan for excessive flooding, the type of which has closed and damaged some of Iowa’s and the Midwest’s ...

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Savolainen studying effectiveness, efficiency of Iowa’s Interstate median cable barriers

May 06, 2016

Studies show Interstate highway median cable barriers save lives. The braided metal cables effectively keep vehicles from crossing medians into oncoming traffic and out of harm’s way of head-on collisions.

Now the state’s ...

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Focus on implementation: Getting research results off the shelf and into the field

March 31, 2016

The Midwest Transportation Center (MTC) at Iowa State University has initiated an ambitious new program to help accelerate the implementation of promising research results. The new Transportation Research Implementation Initiative is using a three-pronged ...

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Simulating traffic: Believing what you see

March 30, 2016

When the Iowa Department of Transportation (DOT) designs a highway, the agency uses many tools to ensure the highway will meet users’ needs. A recent study at Iowa State University’s Center for Transportation Research and Education ...

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CTRE research keeps Iowa roads safe

January 20, 2016

Iowa drivers may take the state's safe, high-quality roads for granted, but not researchers at Iowa State University's Center for Transportation Research and Education (CTRE). The Alliance for Iowa State highlights the CTRE program.

MTC research briefs

December 31, 2015

The Midwest Transportation Center (MTC) sponsors a competitive research program to fund projects focused on State of Good Repair in infrastructure with attention to safety and Data Driven Performance Measures for Enhanced Infrastructure Condition.

The ...

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Radio Iowa features InTrans median cable barrier research

October 01, 2015

InTrans is beginning a two-year study of the effectiveness of interstate highway median cable barriers, according to a Radio Iowa story.

Read the full story here.

MTC research briefs

September 17, 2015

The Midwest Transportation Center (MTC) sponsors a competitive research program to fund projects focused on State of Good Repair in infrastructure with attention to safety and Data Driven Performance Measures for Enhanced Infrastructure Condition.

The ...

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Looking at the sustainability of mass transit in St. Louis and Chicago

September 16, 2015

A research project led by Ray Mundy of the University of Missouri-St. Louis (UMSL) is examining the financial sustainability faced by most United States transit systems.

The study is determining the sustainability of the mass transit ...

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Testing pavement foundation designs at the Central Iowa Expo

August 17, 2015

You can optimize the pavement mix, placement practices, and finishing techniques, but what’s underneath the pavement can make all the difference between a long-lasting pavement and one that experiences problems prematurely.

The ...

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A new look at wood, one of the original bridge-building materials

August 10, 2015

More than 25 percent of U.S. bridges are structurally deficient or functionally obsolete. The problem is especially critical on rural roads.

Timber bridges offer useful solutions because of their affordability, ease of construction, ...

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Patent-pending bridge assessment technologies

July 27, 2015

Over the years the manner in which bridge conditions are evaluated has undergone many transformative evolutions. One of the most important developments was in the late 1960s following the historic and unfortunate collapse ...

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Leading a performance-based approach to designing concrete for pavements

July 20, 2015

Many concrete pavement mixtures in the United States are still developed based on standard, prescriptive “recipes.” These methods can be overly conservative as far as defining, for example, minimum strengths, maximum water-to-cement ...

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Providing one-on-one support is the key to success for concrete overlays

July 13, 2015

To help state and local agencies update their practices and adopt new technologies regarding constructing concrete overlays, direct one-on-one support is one of the most effective approaches.

And that’s the approach adopted by ...

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The ABCs of (fast) bridge construction

July 07, 2015

The challenge: One out of every four publicly owned bridges in the United States is either structurally deficient (based on its condition) or functionally obsolete (based on current standards). Many of these bridges simply need to be reconstructed ...

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MTC helping fund research on Google Glass’s impact on driving performance

June 17, 2015

Psychologist Jibo He crashed into a vehicle while he was driving and trying to send an important text message via his smartphone. Fortunately, nobody was killed because He was in his advanced driving simulator at Wichita State University (WSU) ...

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Halil Ceylan’s pavement-warming technology project is generating heat

March 06, 2015

Halil Ceylan, InTrans faculty affiliate in the Department of Civil, Construction, and Environmental Engineering and director of the Program for Sustainable Pavement Engineering and Research at InTrans, and other ISU faculty are developing pavement ...

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BEC a partner in USDOT Accelerated Bridge Construction University Transportation Center

October 28, 2013

InTrans' Bridge Engineering Center (BEC) will partner with Florida International University and the University of Nevada- Reno in a new Accelerated Bridge Construction University Transportation Center. The center was established earlier this ...

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