Models are used to establish the future traffic data basis for design of road improvements. When applied to alternative future land uses or alternative road plans, the same procedures then produce a reliable forecast of the future traffic conditions that correspond to the assumptions used. Colors are used to separate freeways from arterials. This type of information helps identify proportional shares of responsibility for the cost of future capacity improvements. Another special application of traffic models is to identify the users of a particular road segment, and trace the paths they use throughout the area of interest.
Part uses the first interchange and part uses the second interchange.
This information can help to design effective improvements that reroute undesirable traffic flows to a prefered corridor.