A -- Surrogate Safety Assessment Model and Validation

The contract focuses on developing and validating a surrogate safety assessment model through the creation of a stand-alone prototype software. This involves defining surrogate safety measures for intersections, gathering necessary data from existing traffic simulation tools, and ensuring compatibility with software vendors. The project follows mandatory software design requirements outlined in FHWA-RD-03-050, aiming to develop code that extracts data from traffic simulations and calculates surrogate safety metrics. The model undergoes sensitivity analysis and theoretical validation using existing crash models and modification factors, followed by a field calibration and validation study primarily utilizing crash and conflict data. Upon achieving promising validation results, the prototype software will be enhanced to meet all important design specifications from FHWA-RD-03-050. The improved model will then be re-tested to ensure robustness. The final deliverables include a comprehensive report detailing the software design, coding, validation processes, and a user manual. The contract is issued by the Department of Transportation, specifically under the 693JJ3 Acquisition And Grants Management office, with the solicitation number DTFH61-03-R-00115.