Dr. Shakir Shatnawi is a highly experienced highway and transportation engineering expert with over 30 years of experience across public infrastructure, roadway safety and forensic engineering. A registered Professional Engineer in California, he has held senior engineering and leadership roles within the California Department of Transportation (Caltrans), including Branch Chief, Office Chief and Division Chief positions overseeing major transportation and maintenance programs. Dr. Shatnawi specialises in highway design, traffic engineering, construction zone safety, accident reconstruction and roadway defect investigations. He has acted extensively as an expert witness in disputes involving traffic control, roadway hazards, pavement failures, construction defects and transportation safety standards. His expertise combines deep technical knowledge with practical experience in transportation engineering, infrastructure management and forensic investigations.