Wikipedia
AutoTURN
AutoTURN is a third-party CAD software released for the AutoCAD, MicroStation or BricsCAD platforms, developed and sold by Transoft Solutions Inc. AutoTURN software can only be used on computers that run Microsoft Windows operating system and is available as a 2D or 3D (Pro) version. Among a number of things, it analyses and simulates swept path vehicle maneuvers.