TEXAS MODEL FOR INTERSECTION TRAFFIC--ADDITIONAL FEATURES. FINAL REPORT

The TEXAS (Traffic EXperimental Analytical Simulation) Model for Intersection Traffic has been revised and released as Version 3.2. The new Version 3.2 provides nine new features, including: separate diamond interchange u-turn lanes, exact percentages of generated driver-vehicle units, sight-distance checking options in the user interface, NEMA dual-ring traffic signal controllers, volume-density traffic signal controllers, user choice options for diamond interchange traffic phase numbering, output statistics in graphical form, generic plotter-driver output routines and interfaces, and automation of the replicate simulation run process. The basic look and feel of earlier versions of the model has been retained to minimize needs for additional user training. The progress of each individually characterized vehicle moving through a simulated intersection or interchange is displayed in real-time or in stop-action on a microcomputer or workstation-driven graphics screen. This allows the user to study the overall traffic performance or to examine the behavior of any selected vehicle(s) in great detail. With Version 3.2 of the TEXAS Model that is described in this report, alternative intersection or diamond interchange designs and traffic-control schemes can be evaluated quickly and accurately in a timely and cost-effective manner.