Traffic and Safety

Active Projects
TitleYearProj/Rpt #Researcher
Development and Demonstration of a Novel Red Light Running Warning System Using Connected v2i TechnologyN/ALevin
Pedestrian Safety Around RoundaboutsN/AArvidson
Mini-Roundabout FAQsN/AMarti
Assessment of Pedestrian Safety and Driver Behavior Near Automated Vehicles2022N/AMorris
Complete Streets Speed Impacts2022N/ASavolainen
Identification and Assessment of Preventative Methods to Mitigate Cognitive and Physical Declines Which2022N/AMorris
Towards Implementation of Max-Pressure Control on Minnesota Roads: Phase 22022N/AStern
Development of a System to Report School Bus Stop-Arm Violations2022N/ADavis
Evaluation of Static and Dynamic No Right Turn on Red Signs at Traffic Signals2022N/ADay
Understanding Risks and Opportunities for Ramp Metering Control in a Mixed-Autonomy Future2022N/AStern
TRS: Automated Speed Enforcement2022N/AKienitz
TRS: Setting School Zone Speed Limits2022N/AKienitz
Assessment of Travel-Time Reliability and Operational Resilience of Metro Freeway Corridors2022N/AKwon
Pavement Marking/Colored Pavement Friction Differential and Product Durability2021N/AMarasteanu
Designing and Implementing Maintainable Pedestrian Safety Countermeasures2021N/AVeneziano
Identifying Deer-Vehicle Collision Concentrations in Minnesota2021N/AStern
Influence of Autonomous and Partially Autonomous Vehicles on Minnesota Roads2021N/ARajamani
Performance Evaluation of Different Detection Technologies for Signalized Intersections in Minnesota2021N/AChiang
User-Centered Smart Traffic Sign Development Study2021N/AMorris
Guidelines for Determining Speed Limits on Municipal Roadways2021N/AArvidson
Best Practice Guidelines for Intelligent (Active) Warning Devices2021N/AKuehl
Tool to Estimate the Safety Impact of Vehicle Levels of Automation on Minnesota Roads2021N/AHourdos
Multi-Method Investigation of Pedestrian Safety Impacts of Right-Turn Lanes2021N/ACraig
Cost/Benefit Analysis of Fuel Efficient Speed Control Using Signal Phasing and Timing (SPaT) Data: Evaluation for Future Connected Corridor Deployment2020N/ALevin
Impact of Speed Limit Changes on Urban Streets2020N/ADavis
Pedestrian User Experience at Roundabouts2020N/AGodavarthy
Assessing Pavement Markings for Automated Vehicle Readiness2020N/APike
Development of a Smartphone App to Warn the Driver of Advance Curve and Unintentional Lane Departure Using GPS Technology2020N/AHayee
Driver Comprehension of Flashing Yellow Arrows2020N/ADavis
Transverse Rumble Strips at Rural Intersections2020N/AHallmark
Taconite as a Lower Cost Alternative High Friction Surface Treatment to Calcined Bauxite for Low-Volume Roads in Minnesota2020N/AZanko
Implementation of Lane Boundary Guidance System for Snowplow Operations2019N/ADonath
Towards Implementation of Max-Pressure Signal Timing on Minnesota Roads2019N/ALevin
Pavement Marking Patterns and Widths - Human Factors Study2019N/APike
Work Zone Intrusion Mobile Application2019N/ADavis
Criteria and Guidelines for Three-Lane Road Design and Operation2018N/ADavis
Evaluation and Refinement of Minnesota Queue Warning Systems2018N/AHourdos
Completed Projects
TitleYearReport #Researcher
Promoting the Adoption of Snow Fences through Landowner Engagement20222022-14
Current
Refining Inductive Loop Signature Technology for Statewide Vehicle Classification Counts20222021-27
Liao
Can Automated Vehicles "See" in Minnesota? Ambient Particle Effects on LiDAR Systems20222022-03
Northrop
Autonomous Vehicles: What Should Local Agencies Expect?20222022RIC02
Marti
The Tipping Point: What COVID Travel Reductions Tells Us About Effective Congestion Relief20222022-09
Morris
Evaluation of Metro Freeway System for Reliability and Resilience20222022-01
2022-01A
Kwon
COVID-19 Impacts on Speed and Safety for Minnesota Roads and Work Zones20212021-21
Hallmark
Effectiveness of Teenage Support System (TDSS) on Reducing Traffic Violation Behaviors for Teenage Drivers at the Early Time of Licensure20212021-01
Morris
Development and Demonstration of an In-Vehicle Lane Departure Warning System Using Standard GPS Technology20212021-17
Hayee
Improving Winter Road Weather Alerts on Highway Dynamic Message Signs20212021-24
Evaluation of Road Weather Messages on DMS Based on Roadside Pavement Sensors20212021-25
Knickerbocker
Generating Traffic Information from Connected Vehicle V2V Basic Safety Messages20212021-08
Levin
Traffic Safety Evaluation of Reduced Conflict Intersections in Minnesota20212021-22
Moreland
Remote Sensing in Unsheltered Encampments2021N/AMarti
Research on Traffic Sign Retroreflective Sheeting Performance: A Synthesis of Practice2021TRS2101
Hawkins
Speed Limit Change (55 mph to 60 mph) Safety Evaluation20202020-06
Saleem
Rectangular Rumble Strip Safety Evaluation20202020-07
Storm
Evaluation of StreetLight Data's Traffic Count Estimates from Mobile Device Data20202020-30
Turner
Strategies for Effective Roundabout Approach Speed Reduction2020N/AArvidson
Phase 3 MnDOT Slope Vulnerability Assessments20202020-21
Holmstadt
TRS: Notifying the Public of Local Road Closures via Common Smartphone Map Apps2020TRS2001
Linsenmayer
Integrate RTMC Vehicle Classification into the Current Detector Volume Data20202020-31
Kwon
Deploy and Test a Smartphone-Based Accessible Traffic Information System for the Visually Impaired20202020-28
Liao
Evaluation of the Effectiveness of Stop Lines in Increasing the Safety of Stop-Controlled Intersections20202020-17
Hourdos
Pavement Markings - Wet Retroreflectivity Standards20202020-09
Pike
Assessing the Impact of Pedestrian-Activated Crossing System20202020-13
Hourdos
Improve Traffic Volume Estimates from Regional Transportation Management Center (RTMC)20202020-02
Kwon
Speed Notification System Warns Drivers Approaching Urban Work Zones20192019-21
Hourdos
Rest Area Electronic Customer Feedback System20192019-15A
Williams
Minnesota Autonomous Bus Pilot20192019-04
Sabeti
How Locals Need To Prepare for the Future of V2V/V2I Connected Vehicles20192019-35
Hourdos
Preparing Roads for Connected and Autonomous Vehicles20192019-18
Hallmark
Examining Optimal Sight Distances at Rural Intersections20192019-34
Morris
Personal Warning Sensor for Road Construction Workers20192019-08
Ullman
Cloud-Based Dynamic Warning System20192019-19
Wentz
Evaluation of a Central Traffic Signal System and Best Practices for Implementation20192019-14
2019-14A
Hourdos
Design Standards for Unobstructed Sight Lines at Left-Turn Lanes20192019-32
Noyce
TRS: Road Weather and Creative Safety Messaging On Dynamic Message Signs2019TRS1902
Casey
Establishing a Repeatable Method for Presenting Non-Traditional Traffic Treatments to Maximize Stakeholder Support2019N/AMorris
Evaluation of Intersection Conflict Warning Systems in Minnesota20182017-38
2017-38S
Hallmark
Development of Travel Time Reliability Measurement System20182018-28
Kwon
A Tool for Designing MnPASS Access Spacing20182018-11
Hourdos
Rural Intersection Conflict Warning System Evaluation and Design Investigation2018CTS 18-10
Morris
Development and Demonstration of a Cost Effective In-Vehicle Lane Departure and Advanced Curve Speed Warning System20182018-34
Hayee
TRS: Continuous Green Tee (CGT) Alternative Intersection2018TRS1809
Casey
Work Zone Intrusion Report Interface Design20182018-09
Morris
Investigating the Necessity and Prioritizing Pavement Markings on Low Volume RoadsĀ 20182018-21
Veneziano
High Friction Surface Treatments2018TRS1802
TRS1802S
Casey
In-Vehicle Dynamic Curve-Speed Warnings at High-Risk Rural Curves20182018-12
Davis
Flagger Operations: Investigating Their Effectiveness in Capturing Driver Attention20172017-07
Harder
Addressing Citizen Requests for Traffic Safety Concerns20172017RIC05
Kuehl
Evaluation of Safety and Mobility of Two-Lane Roundabouts20172017-30
Hourdos
Minnesota Local Agency Pavement Marking: Mining Existing Data20172017-43
Smadi
Safety Impacts of the I-35W Improvements Done Under Minnesota's Urban Partnership Agreement (UPA) Project20172017-22
Davis
Framework and Guidelines for the Development of a Twin Cities Mesoscopic DTA Model20172017-10
Hourdos
Development of a Queue Warning System Utilizing ATM Infrastructure System Development and Field Testing20172017-20
Hourdos
Estimation of Crossing Conflict at Signalized Intersection Using High-Resolution Traffic Data20172017-08
Davis
In-Vehicle Work Zone Messages20172017-19
Morris
Strategies for Effective Roundabout Approach Speed Reduction20172017-14
Chrysler
Using Mobile Device Samples to Estimate Traffic Volumes20172017-49
Turner
TRS: Use of Positive Protection in Work Zones2017TRS1703
Casey
TRS: Sign Life-Cycle Policies and Practices2017TRS1707
Casey
Real-Time Integration of Arrow Board Messages Into Traveler Information Systems2017N/APreisen
Development of a Moving Automatic Flagger Assistance Device (AFAD) for Moving Work Zone Operations20172017-09
Terhaar
Sensing for HOV/HOT Lanes Enforcement20172017-05
Papanikolopoulos
Rumble Stripe: Evaluation of Retroreflectivity and Installation Practices20162016-13
Hawkins
Thinking of Building a Multi-Lane Roundabout?20162016RIC12
Kuehl
Implementation of LED Roadway Lighting20162016-17
Taillon
Evaluation of the Effectiveness of ATM Messages Used During Incidents20162016-04
Hourdos
Development of a Guideline for Work Zone Diversion Rate and Capacity Reduction20162016-12
Kwon
Optimizing Automatic Traffic Recorders Network in Minnesota20162016-05
Gupta
Weigh-Pad-Based Portable Weigh-in-Motion System User Manual20162016-07
Kwon
Implementation and Evaluation of a Low-Cost Weigh-In-Motion System20162016-10
Kwon
In-Vehicle Sign Systems May Improve Safety When Supplementing Road Signs20162016-18
Morris
DSRC Based Warning System for Workers Safety20162016-27
Hayee
Examining the Impact of ASE (Automated Speed Enforcement) in Work Zones on Driver Attention20162016-06
Morris
Sinusoidal Rumble Strip Design Optimization Study20162016-23
Terhaar
Innovative Technology Workshop on 3D LIDAR20162016-19
Davis
Investigate the Effectiveness of Using Bluetooth Low Energy (BLE) Technology to Trigger In-Vehicle Messages at Work Zones20162016-38
Liao
Railroad Grade Crossing Safety Project Selection20162016-25
Preston
Robotic Roadway Message and Symbol Painter Implemenation20162016-31
Rosandich
Pavement Markings: Epoxy Paints and Thick Coats Perform Best on Challenging Asphalt Surfaces20162016-08
Hawkins
Improved Active Traffic Management Strategies Make Travel Smoother on Twin Cities Freeways20152015-26
Kwon
Work Zone Intrusion Reporting: A Survey of State Practices2015TRS1506
Measuring Minnesota's Traffic Safety Culture20152015-13
Ward
Development of Guidelines for Permitted Left-Turn Phasing Using Flashing Yellow Arrows20152015-27
Davis
Lighting Levels for Isolated Intersections: Leading to Safety Improvements20152015-05
Edwards
MnPASS Modeling and Pricing Algorithm Enhancement20152015-22
Hourdos
Develop Annual Arterial Congestion Report20152015-32
Liu
Vehicle-Based Lane Departure Warning Systems Shown Effective in Simulator Testing20152015-35
Ton
Portable Weigh-in-Motion System Evaluation20152015-03
Minge
Development of a Sensor Platform for Roadway Mapping: Part B - Mapping the Road Fog Lines20152015-11
Donath
Rumble Strip Noise Evaluation20152015-07
Terhaar
Ineffective Specialty Signs Video for Local Agencies2015N/ANemeth
Safety Rest Area Advance Signing Enhancements - Phase 2 Design2015N/ANord
I-94 and I-35 Alternate Route Signing Final Report: District 3 St. Cloud, District 6 Rochester20152015-43
Potter
Monitoring Motor Vehicle Driver Fatigue2015TRS1501
Field Implementation, Testing, and Refinement of Density Based Coordinated Ramp Control Strategy20152015-37
Hourdos
Estimating the Crash Reduction and Vehicle Dynamics Effects of Flashing LED Stop Signs20142014-02
Davis
Sign Retroreflectivity - A Minnesota Toolkit20142010RIC02
2014RIC22
Evaluation of the Effect of MnPASS Lane Design on Mobility and Safety20142014-23
Hourdos
Effect of Signing and Lane Markings on the Safety of a Two-Lane Roundabout20142014-04
Hourdos
Advanced LED Warning System for Rural Intersections: Phase 2 (ALERT-2)20142014-10
Kwon
Investigation of the Impact of the I-94 ATM System on the Safety of the I-94 Commons High Crash Area20142014-19
Hourdos
Development of a Navigation System Using Smartphone and Bluetooth Technologies to Help the Visually Impaired Navigate Work Zones Safely20142014-12
Liao
Automatic Generation of Traffic Timing Plan20142014-38
Liu
Evaluation of Guide Sign Fonts20142014-11
Kotwal
Traffic Sign Life Expectancy20142014-20
Preston
Evaluation Incorporating Highway Capacity Manual Unsignalized Pedestrian Crossing Analysis Methodology20142014-21
2014-21G
Nemeth
Minnesota Best Practices for Traffic Sign Maintenance/Management Handbook - Updated20142014RIC20
Preston
Implementation of Automatic Flagger Assistance Devices (AFADs) for Minnesota Department of Transportation Flagger Operations20142014-44
Terhaar
Right and Left Turn Lane Warrants2014TRS1406
New Approaches for Roundabout Lighting to Enhance Pedestrian Safety2014TRS1413
Expanding and Streamlining of RTMC Freeway Network Performance Reporting Methodologies and Tools20142014-05
Hourdos
Research Implementation of the SMART-SIGNAL system on Trunk Highway (TH) 1320132013-06
Liu
46th Street Pilot Street Lighting Project20132013-04
Luckow
Mobile Traffic Signals in Lieu of Flaggers for Moving Operations2013TRS1303
Toolbox of Countermeasures for Rural Two-Lane Curves20132013-25
Hallmark
Improving Traffic Signal Operations for Integrated Corridor Management20132013-17
Liu
Mobility Performance Measures for Arterial Streets20132013-14
Turner
Vehicle Speed Impacts of Occasional Hazard (Playground) Warning Signs20122012-06
Hourdos
Implementation, Training, and Outreach for MnDOT Pavement Marking Tool - Phase II20122012-31
Smadi
Development of Freeway Operational Strategies with IRIS-in-Loop Simulation20122012-04
Kwon
Improving Technology to Alert Drivers to Work Zones20122012-26
Hourdos
2012 Changeable Message Sign (CMS) Manual of Practices20122012-32
Raduenz
Traffic Forecasting on Trunk Highways in Nonmetropolitan Areas: A Survey of State Practice2012TRS1206
Linsenmayer
Power Sources for Automatic Traffic Recorders2012TRS1208
Nemeth
Safety Rest Area Advance Signing Enhancements2012N/AParker
Integrated Corridor Management: A Review on the Theory and Practice2012TRS1210
Liu
Methods for Setting Posted Speed Limits2012TRS1204
Linsenmayer
Collecting and Managing Traffic Data on Local Roads2012TRS1207
Linsenmayer
Investigating the Effectiveness of Intelligent Lane Control Signals on Driver Behavior20122012-22
Harder
Advanced LED Warning Signs for Rural Intersections Powered by Renewable Energy20112011-04
Kwon
Usability Evaluation of a Smart Phone-Based Novice Teen Driver Support System (TDSS)20112011-13
Donath
Improving Pavement Marking Performance on Challenging Pavement Surface20112011-24
Hawkins
High Occupancy Vehicle (HOV) / Managed Use Lane (MUL)2011N/A
Minnesota's Best Practices and Policies for Safety Strategies on Highways and Local Roads20112011-21
Preston
Teen Driver Support System (TDSS) Field Operational Test2011N/ADonath
Minnesota Department of Transportation Traffic Safety Analysis Software State of the Art20112011-10
Souleyrette
Using Dual-Phase Message Signs to Display Airline Information20102010-02
Harder
State of Practice for Minnesota Local Agency Pavement Marking Management20102010-05
Smadi
Evaluating Workforce Perceptions to Identify and Mitigate the Causes of Musculoskeletal Disorders20102010-01
Loushine
Best Practices for Sign Reduction on the Local System 2009-2011 RIC Task 1020102010RIC10
Effectiveness of Traffic Signs on Local Roads2010TRS1002
Linsenmayer
Effects of 24-Hour Headlight Use on Traffic Safety2010TRS1009
BMP's for Promoting Roadway Safety Maintenance RIC 2009-2011 Task 320102010RIC03
Putting Research into Practice: Guidelines for Designing Turn Lanes20102010-25
Preston
Integrating Platoon-Priority Signal Control with Advance Warning Flashers20092009-23
Liu
In-Vehicle Technologies and Infrastructure Modifications to Prevent Crashes Along Curves and Shoulders20092009-39
Shankwitz
Predicting the Cost-Effectiveness of highway Median Barriers20082008-17
Davis
Turn Lane Lengths for Various Speed Roads and Evaluation of Determining Criteria20082008-14
Schnell
Traffic Volume Thresholds for Requiring Right Turn Lanes and Treatments on Two-Lane Roads20082008-25
Varma
Determining the Impacts of Roundabouts on Roadway Networks20082008-24
Hallmark
Effects of Center-Line Rumble Strips on Non-Conventional Vehicles20082008-07
Miller
Traffic Calming for High-Speed Rural Roadways2008TRS0801
Gorrill
Developing and Implementing Enhanced Pavement Marking Mangement Tools: Phase I - Mapping Tool20082008-37
Hawkins
Review of New Hampshire's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support (IDS)20082008-30
Donath
Review of Nevada's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support (IDS)20082008-31
Donath
Review of California's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support (IDS)20082008-52
Preston
Overview of Rural Intersection Crashes at Candidate Intersections for the Intersection Decision Support (IDS) System20082008-53
Shankwitz
Generational Perspective on Teen and Older Drivers on Traffic Safety in Rural and Urban Communities20082008-36
Manser
Measuring the Safety Effects of Signal Installation and Left-Turn Phasing Schemes20072007-03
Davis
Driving Performance During 511 Information Retrieval: Cell Phone 220072007-48
Ward
Freeway Network Traffic Detection and Monitoring Incidents20072007-40
Papanikolopoulos
Rural and Urban Safety Cultures: Human-Centered Interventions Toward Zero Deaths in Rural Minnesota20072007-41
Ward
North/West Passage ITS Integrated Corridor Strategic Plan20072007-20
Dierling
Evaluating the Effectiveness of the Minnesota Speed Management Project20072007-21
Harder
Review of Georgia's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support (IDS)20072007-28
Storm
Intersection Decision Support Surveillance System: Design, Performance and Initial Driver Behavior Quantization20072007-30
Cheng
A Simulator-based Evaluation of Smart Infrastructure Concepts for Intersection Decision Support at Rural Thru-STOP Intersections20072007-31
Ward
Benefit-Cost Analysis for Intersection Decision Support20072007-32
Levinson
Intersection Decision Support: An Overview20072007-33
Shankwitz
Review of Iowa's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support (IDS)20072007-27
Shankwitz
Evaluation of Minnesota's Operation NightCAP20072007-29
Creaser
Improving Road Safety with Two-Way Left-Turn Lanes20062006-25
Noyce
North/West Passage Transportation Pooled Fund Program - Phase I20062006-08
Taavola
Review of Michigan's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support (IDS)20062006-33
Preston
Review of Wisconsin's Rural Intersection Crashes: Application of Methodology for Indentifying Intersections for Intersection Decision Support (IDS)20062006-10
Preston
Review of North Carolina's Rural Intersection Crashes: Application of Methodology for Identifying Intersections for Intersection Decision Support20062006-32
Donath
Statistical Modeling for Intersection Decision Support20062006-03
Davis
Review of Minnesota's Rural Intersection Crashes: Methodology for Identifying Intersections for Intersection Decision Support (IDS)20042004-31
Storm
System Performance and Human Factors Evaluation of the Driver Assistive System and Intelligent Vehicle Initiative Specialty Vehicle20042004-07
2004-08
2004-09
2004-12
Donath
Synthesis On The Effectiveness of Rumble Strips - (Task #5)20022002-07
Marti
Differential GPS Based Control of a Heavy Vehicle20002000-05
Donath
Cost Effectiveness of Traffic Sign Materials (Task #3)20002000-12
Montebello
Radar Based Longitudinal Virtual Bumper Collision Avoidance System Implemented on a Truck20002000-07
Donath