TRAFFIX for Windows is a traffic impact analysis program that aids in the analysis of impacts of new development and the analysis of intersection and segment Level Of Service (LOS). It has user-friendly menus and data screens and powerful analysis capabilities. It can analyze up to 1000 intersections in a single run, perform LOS analysis for signalized, unsignalized, and arterial, and interactively test mitigation measures. Choice of LOS methods is offered.