Professional Profile

Andrew Kwasniak, PhD, PE, PTOE, ACTAR

Transportation Safety Engineer • Forensic Expert • Principal, Tatum Group

Professional Profile

Dr. Andrew Kwasniak is a transportation safety engineer and forensic expert with nearly two decades of experience analyzing how roadway design, traffic control, human factors and vehicle movement contribute to crashes and safety performance. His practice combines litigation consulting with substantial non-litigation roadway safety work across more than 35 U.S. states.

His experience includes pedestrian, bicycle, e-scooter, motorcycle, passenger-vehicle, commercial-vehicle, roadway-departure, intersection, railroad-crossing and work-zone matters, along with proactive safety engineering for public and private clients.

Forensic & Litigation Experience

Assignments commonly address roadway design, traffic controls, visibility, conspicuity, sight distance, speed environment, movement conflicts and the interaction between road users and infrastructure. Analytical tools may include reconstruction, simulation, imagery, site measurements and 2D/3D visualization.

Non-Litigation Safety Engineering

Dr. Kwasniak performs proactive and systemic roadway safety evaluations using Highway Safety Manual methods, crash data, roadway inventories, network screening, Safety Performance Functions and site-specific engineering judgment. He has also conducted Road Safety Assessments in the United States and Europe.

Transportation Safety Technology

His work includes development and application of transportation safety software supporting Safety Performance Function and Highway Safety Manual analysis, as well as drone-based data collection and high-precision reality capture for roadway and forensic investigations.

Education, Training & Professional Background

Education

Ph.D., Civil Engineering, Purdue University (2008); M.S. and B.S. in Civil Engineering, Cracow University of Technology; Certificate in Information Systems.

Specialized Training

Traffic Control Supervisor and Traffic Control Technician (ATSSA); OSHA roadway-construction training; Traffic Accident Reconstruction training through Northwestern University Center for Public Safety; ADA/accessibility continuing education.

Professional Experience

Principal, Tatum Group; prior senior engineering positions with Exponent, Inc.; prior engineering position with Lee Engineering.

Publications & Research

Professional Presence

Andrew Kwasniak across engineering, research and technology.

Transportation Safety Technology

Developer of SPF Tool, a cloud-based application supporting Safety Performance Function, Highway Safety Manual and network-screening analysis.

Andrew Kwasniak at SPF Tool →

Engineering Intelligence

Founder and Principal of DecisionLine.ai, applying data-driven and AI-assisted methods to complex engineering and transportation problems.

Andrew Kwasniak at DecisionLine.ai →

Independent Professional & Academic Profiles

LinkedIn · Google Scholar · ORCID · ACTAR Professional Directory · Forensic Aspects of Driver Perception and Response

Research & Publications Professional Links