Marshall has been engaged in driving safety research since 1997 and has been with the National Advanced Driving Simulator since 2004. She joined the PPC in 2014 when she became the director of the SAFER-Sim a University Transportation Center funded by a federal grant. Before joining NADS she held research positions at the Cognitive Systems Lab and the Iowa Driving Simulator. Ms. Marshall is currently serving as Principle Investigator for a NTHSA funded V2V multi-site study utilizing five data collection sites and over 900 participants and previously for a project evaluating an intersection violation warning system. Other projects for which Ms. Marshall has served as principle investigator were funded by the Iowa DOT, Rockwell Collins and other public and private sector clients. Ms. Marshall has also served as Project Manager and Data Collection Coordinator for several NHTSA funded projects.
Marshall’s work has included various research topics, such as connected vehicles, heavy trucks, emergency responders as drivers, distraction, drowsiness and the evaluation of in-vehicle systems such as intersection violation warning, adaptive cruise control, lane departure warning, and forward collision warning; as well as guideline compliance and task analysis for in-vehicle systems, integrated control heads and aftermarket devices.