Timothy Gates

Timothy Gates

Timothy Gates

Professor; Associate Chair for Undergraduate Studies

Biography

Dr. Gates has more than 20 years or research experience in the following subject areas: innovative traffic control devices, motorist behavior, speed limits, road safety, statistical methods, traffic operations, pedestrians and bicyclists, and transportation economics.  Since 2007, he has served as PI or co-PI on more than 82 grants totaling more than $15 million from agencies that include MDOT, FHWA, NCHRP, OHSP, and other state DOTs.  His research has resulted in more than 80 peer-reviewed journal or compendium publications.  His recent research includes projects related to driver response to traffic control devices, safety impacts associated with raising speed limits, guidelines for setting speed limits, revisions to the AASHTO Green Book, driver acceleration and deceleration behavior, safety impacts of roadway sight distance, work zone safety, driver behavior at signalized intersections, and pedestrian and bicyclist safety. Dr. Gates is chair of the TRB Committee on Traffic Control Devices (ACP55).  He is a licensed professional engineer in Michigan

Courses Taught

  • CE341 - Transportation Engineering
  • CE449 - Highway Design
  • CE891 - Advanced Highway Design and Traffic Control

Recent Research:

  • Effective Bridge Deck Warning Weather Technologies, Michigan Department of Transportation (MDOT)
  • Research on the Operational Cost and Benefits of Speed Feedback Signs, Michigan Department of Transportation (MDOT)
  • Research on the Effectiveness of Crash Fact/Safety Message Signs on Dynamic Message Signs, Michigan Department of Transportation (MDOT)
  • Evaluating the Impacts of the 2017 Legislative Mandated Speed Limit Increases, Michigan Department of Transportation (MDOT)
  • Performance and Safety of the US-23 Flex Route Managed Lanes, Michigan Department of Transportation (MDOT)
  • Synthesis of National Best Practices on Pedestrian and Bicycle Design, Guidance and Technology Innovations, Michigan Department of Transportation (MDOT)
  • SHRP2 Phase 3 -Countermeasure Implementation and Evaluation, Michigan Department of Transportation (MDOT)
  • Developing a Consistent Data Driven Methodology to Multimodal, Performance Based and Context Sensitive Design, Michigan Department of Transportation (MDOT)
  • Traveler Expectations and Future Use of Highway Rest Areas in the Western United States, Nevada Department of Transportation (NDOT)
  • Temporary Traffic Control Devices at Driveways within a One-Lane, Two-Way Section, Smart Work Zone Deployment Initiative (SWZDI), Iowa State University
  • NCHRP 03-139 Next Generation of the USLIMITS2 Speed Limit Setting Expert System, University of North Carolina Highway Research Center, Transportation Research Board
  • NCHRP 15-75 Update of Policy on Geometric Design of Highways and Streets: Guidance on Acceleration/Deceleration and Stopping Sight Distance, Transportation Research Board
  • Assessing System Performance of the Michigan Trunkline: Measures and Analytical Procedures for Planning and Operations, Michigan Department of Transportation (MDOT)
  • Seat Belt and Hand-Held Device Use Direct Observation Survey - FY2021, Michigan Office of Highway Safety Planning (OHSP)
  • Child Restraint Device Use and Misuse Direct Observation Survey – FY2021, Michigan Office of Highway Safety Planning (OHSP)
  • Technical Support for Michigan Safe Routes to School - FY2021, Michigan Fitness Foundation (MFF)
Awards
• Best Paper by First Author under Age 35, Traffic Control Devices Committee, Transportation Research Board, 2021
• Best Paper, Traffic Control Devices Committee, Transportation Research Board, 2020
• Best Paper, Operational Effects of Geometrics Committee, Transportation Research Board, 2017, 2012
• Best Paper, Pedestrian Committee, Transportation Research Board, 2017
• William Bradley Outstanding Faculty Member Award, MSU ASCE Chapter, 2017
• AASHTO Research Advisory Committee High Value Research Award, 2013
Education
University of Wisconsin: Ph.D., Civil Engineering (Transportation)
Publications
• Gates. T., Mahmud, M., Ingle, A., Motz, M., Holpuch, T., Savolainen, P. Evaluation of Alternative Messages and Sign Locations on Driver Response to a Dynamic Speed Feedback Sign on a Freeway Interchange Ramp. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2020. Received the “Best Paper Award” from the TRB Committee on Traffic Control Devices.
• Ingle, A., Gates. T. Safety Performance of Rural Offset-T Intersections. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2020.
• Chakraborty, M., Gates, T. Association between Driveway Land Use and Safety Performance on Rural Highways. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2020.
• Babic, D., Flolic, M., Babic, D., Gates, T. Road Markings and Their Impact on Driver Behaviour and Road Safety: A Systematic Review of Current Findings, Journal of Advanced Transportation, Hindawi, 2020.
• Fakhrmoosavi, F., Kavianipour, M., Savolainen, P., and Gates, T. Comparisons in Cell Phone Use Rates between Talking and Manually Manipulating the Handheld Device. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2020.
• Verma, R., Saedi, R., Zockaie, A., Gates, T. Behavioral Analysis of Drivers Following Winter Maintenance Trucks Enabled with Collision Avoidance System. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2019.
• Stapleton, S., Ingle, A., Gates. T. Factors Contributing to Deer–Vehicle Crashes on Rural Two-Lane Roadways in Michigan. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2019.
• Stapleton, S., Gates, T., Avelar, R., Geedipally, S., Saedi, R. Safety Performance Functions for Low Volume Rural Stop-Controlled Intersections. Transportation Research Record: Journal of the Transportation Research Board, TRB, Washington, D.C., 2019.
• Heqimi G., Gates, T., and Kay J. Using Spatial Interpolation to Determine Impacts of Annual Snowfall on Traffic Crashes for Limited Access Freeway Segments. Accident Analysis & Prevention, Volume 121, December 2018, pp 202-212.
• Stapleton, S., Ingle, A., Chakraborty, M., Gates, T., Savolainen, P. Safety Performance Functions for Rural Two-Lane County Road Segments. Transportation Research Record: Journal of the Transportation Research Board, Volume 2672, Number 52, TRB, Washington, D.C., December 2018.
• Kay, J., Gates, T., Savolainen, P. Raising Speed Limits on Rural Highways: A Process for Identification of Candidate Non-Freeway Segments. Transportation Research Record 2618: Journal of the Transportation Research Board, TRB, Washington, D.C., 2017. Received the “Best Paper Award” from the TRB Committee on the Operational Effects of Geometrics.
• Stapleton, S., Kirsch, T., Gates, T., Savolainen, P. Factors Affecting Driver Yielding Compliance at Uncontrolled Midblock Crosswalks on Low Speed Roadways. Transportation Research Record 2661: Journal of the Transportation Research Board, TRB, Washington, D.C., 2017. Received the “Best Paper Award” from the TRB Committee on Pedestrians.