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En Route


February 7, 2022

Top Stories

InTrans researchers developing navigation system for blizzard conditions

A research team led by the Institute for Transportation’s (InTrans’) Real-Time Analytics of Transportation Data (REACTOR) Laboratory Co-Director Anuj Sharma is working to develop a new navigation system for Iowa snowplows to aid operators in the worst winter conditions.
Photo: Iowa DOT snowplow at work in blizzard
“That person operating the snowplow in the snow is facing so much workload and stress,” said Sharma, who is also the Pitt-Des Moines, Inc., Professor in Civil Engineering at Iowa State University. “We want to at least give them a helping hand and some tools to help.” More

Traffic and Safety Forum asks “What does safety mean to you?”

Photo: Iowa DOT Director Scott Marler speaking at 2021 Traffic and Safety Forum
The 2021 Traffic and Safety Forum was held in mid-November, a week after Iowa reached a grim milestone: surpassing 300 roadway fatalities last year. This prompted Iowa Department of Transportation (DOT) Director Scott Marler to pose two questions to the transportation community in attendance.
“What does safety mean to you? How do you internalize the word safety?” Marler asked the 125-plus people in the room. More

CP Tech Center publishes Quality Control for Concrete Paving guide

“What gets measured gets managed” is a common adage in quality management. Thus, the core of every successful quality control (QC) program for contractors and material suppliers is monitoring key quality characteristics and instituting a process for continuous improvement of those characteristics and of the QC process itself.
Photo: Texturing machine
To help contractors develop or enhance their existing QC programs and plans and to familiarize agencies with the components of QC for concrete paving projects, the National Concrete Pavement Technology Center (CP Tech Center) recently published Quality Control for Concrete Paving: A Tool for Agency and Industry. More

Data integration efforts aid in assessing crash factors

Image: Crash data screenshot
Crash data provide useful information about some of the factors at the time of the incident. However, the addition of other data sets—such as weather and traffic conditions—can begin to give a fuller picture of the incident and can ultimately lead to better decision-making.
Recently completed research from InTrans’ Center for Transportation Research and Education (CTRE) developed a proof-of-concept architecture to integrate mobility and weather data into available crash data to better understand the role these factors have in crashes. More

News Briefs

Heated pavement research named Focus Technology by AASHTO See Story
Knapp earns ICEA Special Service Award See Story
InTrans graduate students win ITS Minnesota scholarship awards See Story
InTrans hosts peer exchange on project delivery methods See Story

Recent InTrans Research

January 2022

Evaluation of RePLAY for Mainline, Shoulders, and Rumbles: Pilot Study in Clinton County Jan 2022
Effective Signing Strategies and Signal Displays for Work Zone Driveway Assistance Devices (DADs) Jan 2022

December 2021

Fiber-Reinforced Concrete for Bridge Decks Dec 2021
Iowa Automated Permitting System Report to Legislature Dec 2021
Iowa DOT Synthesis of Transverse Rumble Strips at Rural Stop-Controlled Intersections Dec 2021
Investigation of Autonomous/Connected Vehicles in Work Zones Dec 2021

November 2021

Effectiveness of Geotextiles/Geogrids in Roadway Construction; Determine a Granular Equivalent (GE) Factor Nov 2021
Evaluation of Road Weather Messages on DMS Based on Roadside Pavement Sensors Nov 2021
Use of Waste Quarry Fines as a Binding Material on Unpaved Roads Nov 2021

October 2021

Self-Heating Electrically Conductive Concrete Demonstration Project Oct 2021
Re-Tightening the Large Anchor Bolts of Support Structures for Signs and Luminaires: Phase II Oct 2021
Copyright © *2022* *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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