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.

  • Turning simulations and swept paths
  • Speeds and turning characteristics
  • Sight lines, Lateral, ground and overhead clearances


Take the complicated calculations out of the equation

AutoTURN does the math for you. Eliminate the challenges of calculating curves and modeling vehicles with different steering capabilities. Using a vehicle of your choice, AutoTURN will compute the space requirements and show you the results, so you can focus on the important safety and operational components of your design.

Boost productivity and explore the best design options

Save time and make better decisions. Quickly create simulations and check multiple maneuvers for all vehicles accessing the site. Smart tools and automated processes help increase productivity and reduce human errors. Great for discovering the best design option or modeling more complex scenarios such as traffic calming and site circulation analysis.

Tackle complex urban design and complete streets projects

Embrace the future of urban design. With AutoTURN Pro, you can simulate the movement and turning requirements of a variety of bicycle types to validate your design is safe for cyclists, pedestrians and motorists alike..

Test your design with a vast array of vehicles

AutoTURN Pro includes over 1300 vehicles in its manufacturer-specific and standard design vehicle libraries, so you can run a robust swept path analysis. Quickly search by library name and apply filters to define results. You can also set custom vehicle groups that match your country or local area design.

Visualize the impact in 3D

Run 3D simulations to check for potential conflicts with terrain and infrastructure or for presentation purposes. With AutoTURN Pro you can also easily illustrate, vehicle paths maneuvering forward and backward..

Review your results with quality diagnostic tools

The automated tools ensure your design aligns with the guidelines and safety requirements of local transportation agencies. You can also readily check any manually produced simulations to ensure key parameters meet design criteria. Produce detailed reports so that reviews can be done by peers or others—meaning you can get a quicker stamp of approval on your design..

Autoturn Pro 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!.

Complete Vehicle Design Standards

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..

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