Jim Williams is a Senior Safety Analyst at DiExSys. He has over 30 years of experience in all aspects of Transportation Engineering. During his career with DiExSys, he developed hundreds of crash prediction models (SPFs) of segments and intersections for Colorado DOT, Montana DOT and Louisiana DOT. 

Jim has pioneered new modeling techniques which resulted in improved goodness of fit in SPF modeling. He has a strong background in predictive analytics and is intimately familiar with crash records and databases. During his time at CDOT, Jim worked in the staff traffic and cost estimating unit, where he designed sophisticated databases to provide decision support analysis. Jim is an expert user of DiExSys Vision Zero Suite (VZS).