The swept path analysis software trusted most by design professionals

AutoTURN® is the vehicle swept path analysis software of choice for transportation engineers, architects, and planners in over 120 countries. AutoTURN is used to confidently 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 manoeuvers.

Backed by rigorous engineering diligence and regular field tests, AutoTURN was developed by transportation professionals for transportation professionals. Why is AutoTURN referenced by leading transportation agencies? Because only AutoTURN gives designers the confidence and peace of mind they need to meet stakeholders’ demands for safety and accessibility together with social, economic and environmental impact.

AutoTURN Overview Video
AutoTURN is always moving forward with its technology. Along with new standard vehicle libraries, the latest version of AutoTURN includes features for detaching tractor and trailer and creating vehicles with liftable axles.
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AutoTURN Features

New Libraries
New standard vehicle libraries to help you keep your designs current and in compliance with local guidelines.
Define Individual Wheel Axles on all Vehicles
Accurately model and visualize every wheel configuration per axle of the vehicle.
Report conflicts with geometry in multiple layers or levels
Save time by simply selecting the layers/levels you want to report on and AutoTURN will highlight any potential conflicts between the simulation and elements in these layers/levels.
Search Vehicles
Quickly find the vehicles you are looking for by typing the search criteria or applying filters to the database. AutoTURN includes over 1000 standard vehicles from around the globe, but if you are looking for vehicles based on manufacturer specifications, AutoTURN Pro includes over 500 of these for different segments i.e. transit, transport, refuse, emergency, luxury & electric and more!
AutoTURN includes national standard vehicle libraries for: North America: US (AASHTO 2011), Canada (TAC), Mexico | EMEA: UK, France, Germany, Netherlands, etc | APAC | Australia (Austroads), New Zealand, plus many more countries.

What Our Clients are Saying

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Platform Compatibility

Platform Requirements
Autodesk® AutoCAD® 2010 – 2020 (except AutoCAD LT)
Autodesk® Civil 3D® 2010 – 2020 alignments
Bentley® MicroStation® V8i, CONNECT®
Bentley® PowerDraft (V8i), PowerCivil (V8i)
Bentley® Power GEOPAK (V8i), Power InRoads (V8i)
Bentley® AECOsim Building Designer V8i, CONNECT®
Bentley® OpenRoads Designer CONNECT®
Bricsys® BricsCAD® (Pro and Platinum) V16 – V19
ZWSOFT® ZWCAD® 2017-2019
System Requirements
Full support for 32 and 64-bit operating systems
Workstation: Windows® 7, Windows® 8/8.1, Windows® 10
Network: Windows® Server 2008, 2012, 2016, 2019
Languages Available 
English, French, Spanish, German, Italian