# how accurate is theinfraworks data

Where  does model builder get its UK data sets from. The accuracy of these seems to be very low. At least when using this data it would be good to know the data tolerances.

##### Post Metadata
- Posted at: about 10 years ago
- Author title: Senior Visualiser at Arup
- Net upvotes: 1


## Comments
### Comment 1

model builder in infrawoks 360 use SRTM dem 90 m for establishing existing ground, and being imagery from digital globe and OSM data for center line of road from open street map, SRTM 90m is not suitable for real life working, INFRAWORK use 10m SRTM for only USA which is enough good for any survey project.

##### Comment Metadata
- Posted at: over 8 years ago
- Author title: BIM Engineer , Civil 3D Designer 




## Related Product
[Autodesk InfraWorks 360](https://www.g2.com/products/autodesk-infraworks-360/reviews)

## Related Category
[Civil Engineering Design](https://www.g2.com/categories/civil-engineering-design)

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