Plan view and chamfered vehicles can be used for simulations and or modified in this version.
AUTOCAD AUTOTURN SOFTWARE SOFTWARE
It builds on version 5.1’s abilities to loop simulations by adding the ability to export simulations to InVision (a separate software application) in order to create video clips.
The 2008 release of AutoTURN 6.0 added additional simulation functions. Additionally, in the 5.1 version could continuously loop simulations. Adding to those features AutoTURN 5.1 introduces the ability to set Steering Linkage ratios between the front and rear steering axle groups. The standard vehicle library file was changed to a searchable database of vehicles based on international or custom standards. AutoTURN 5.0’s release in 2004, among many other functions, introduced Heuristic algorithms for tracking, creation of simulations on spline elements, and improved layer management for simulations. Like the previous release versions, AutoTURN 4.0 contained a supplement for aircraft. AutoTURN 4 introduced the concepts of Active Path and Active Simulation allowing for repetition of various functions without repeated re-selecting of objects. Generate simulation tools were introduced so users didn’t first have to draw the vehicle path in order to generate a simulation. The change in interface included a new toolbar. To incorporate the many new capabilities it was necessary to make significant changes to the program’s visual interface and functionality. 
Among other improvements, AutoTURN 4.0 included expanded international libraries of vehicles.
In 2000 the release of AutoTURN 4.0 accounted for international users, it was the first version of AutoTURN available in multiple languages. Simulations could only be done from pre-drawn paths. Among other improvements, AutoTURN 3.0 enabled users to run simultaneous simulations of two vehicles in forward and reverse directions in a stop motion (frame by frame) animation. This version of AutoTURN included larger vehicle libraries, and a supplement for use with aircraft (This supplement would become expanded into a separate software called AutoTURN Aircraft in 1995). The 3.0 release version of AutoTURN included many upgrades over its predecessor. AutoTURN 3.0 was released in 1993, less than 1 year after AutoTURN 2.0. AutoTURN 2.0 was compatible with AutoCAD Release 10 and then Unix version of MicroStation V 3.4. 
The libraries of vehicles available for swept path simulation and analysis was limited and vehicle simulations could only be carried out in a forward direction. In 1992, AutoTURN 2.0 was released and was the first released version of AutoTURN compatible with Bentley Systems MicroStation Unix.
AutoTURN is used to analyze road and site design projects including intersections, roundabouts, bus terminals, loading bays, parking lots or any on/off-street assignments involving vehicle access checks, clearances, and swept path maneuvers. In the 25 years since the software was released, it has improved to reflect the needs of engineers and designers in the transportation sector. The first version of AutoTURN was released for use on Autodesk’s AutoCAD Release 9. AutoTURN was designed as the practical application of a University of Calgary civil engineering graduate studies thesis by Milton Carrasco.
AutoTURN was originally developed for Transoft Solutions Inc.
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