INTRANS and BROWSE : an interactive graphics system for planning related data analysis. Paper presented at the 52nd Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1973.

The Interactive Transportation Analysis System (INTRANS), which is a man-computer interactive graphics system designed to serve transportation and urban planners, is described. The need for interactive graphics in planning, where it might be used effectively, and major problems in its implementation and use, are defined.