IDAS is a tool that integrates ITS into planning processes. A software that picks up where traditional four-step planning models end. A tool that can be used to evaluate ITS deployments. IDAS can currently predict relative costs and benefits for more than 60 types of ITS investments. State, DOTS, Cities, Counties regional, and local planners can use IDAS to estimate the benefits and costs of ITS which are either alternatives to or enhancements of traditional highway and transit infrastructure. IDAS can currently predict relative costs and benefits for more than 60 types of ITS investments. Practitioners will find a number of useful features that enhance ITS planning.