Timothy Gates

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)