DiExSys Roadway Safety Systems

DiExSys Company Logo DiExSys stands for Diagnostic Expert Systems and DiExSys LLC is safety engineering consulting firm which focuses on highway safety with laser-like intensity. DiExSys LLC provides Decision Support Analysis, Policy Guidance, Expert Advice and Research Services on highway safety related matters to Departments of Transportation, Cities, Counties, Metropolitan Planning Organizations, and Toll Road Authorities throughout the US. DiExSys LLC was founded in 2003 in Colorado by Jake Kononov, P.E., Ph.D. and Bryan Allery, P.E.

Link to Jake and Bryan's Research Papers

Contact Information

Jake Kononov
303.910.1401
JakeDiExSys@aol.com

Bryan K. Allery
303.359.8523
BryanDiExSys@aol.com

 

Company CV's DiExSys


Jake Kononov, Ph.D., P.E.

Ph.D. Transportation Engineering, 2001
(Focus Area Highway Safety)
University of Colorado

M.S. Transportation Engineering, 1991
University of Colorado, Denver, CO

B.S. Civil and Environmental Engineering, 1982
University of Colorado, Denver, CO

Dr. Kononov is the founding Principal of DiExSys and is an internationally known expert in highway safety.  Jake has 30 years of experience in all aspects of highway and traffic engineering. As Principal of DiExSys he has provided Expert Advice, Policy Guidance, and Decision Support analysis on highway safety related matters to numerous Departments of Transportation and Public Road Authorities throughout the US. Jake is highly experienced in project and program management.  His experience at the Colorado DOT included being responsible for Traffic Operations and Safety in the Denver Metropolitan Area, and providing Traffic Engineering and Planning input for all Transportation Projects in the Denver Metropolitan Area, making presentations on traffic operations and safety related matters to the Transportation Commission and dealing with the media. Dr. Kononov also served as CDOT’s Director of Research and TRB Representative. Jake chairs Transportation Research Board (TRB) Committee on Safety Management and is a member of the TRB Committee on Highway Safety Manual (Safety Performance).

Description: Bryan
Bryan K. Allery, P.E.

B.S. Geological Engineering, 1981
Colorado School of Mines, Golden, CO

Bryan is also the founding Principal of DiExSys and has over 25 years of experience in transportation engineering, with over 7 years at CALTRANS, and over 17 years at CDOT.  Bryan is nationally recognized expert on traffic records, accident analysis, and safety program management.  He has extensive experience in developing Safety Management Systems and related computer programming.  His experience at the Colorado DOT included: Being Responsible for the conceptual development and implementation of strategies and programs to improve highway safety. Planning and budgeting of statewide safety improvement programs (HSIP). Overseeing assessment of safety needs and making recommendations for safety improvements on the statewide resurfacing program (budget $100,000,000), reconstruction, realignment, and major widening projects.  Managing the process of optimization of investments into safety improvements to maximize program wide accident reduction within constraints of available budget.  Providing expert advice and supporting analysis on safety related matters to six engineering regions. Analyzing statewide safety needs and providing timely input to six engineering regions to ensure early consideration of safety in the planning, scoping, design, construction, and maintenance of transportation facilities.
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