Link Civil 3D road corridors to an InfraWorks model

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Data can be easily exchanged and remain in sync between Autodesk products in the AEC Collection.

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In this example, you import road corridors from Civil 3D into InfraWorks.

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Open a road corridor drawing in Civil 3D.

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Then, in InfraWorks, open the file to which the road corridor will be linked.

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This example uses a dam file that opens in the proposal titled C3D_ROAD_CORRIDOR_IMPORT.

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In InfraWorks, from the Manage tab, Content panel, select Data Sources.

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In the Data Sources panel, expand the Add File Data Source drop-down, and select Autodesk Civil 3D DWG.

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Navigate to and select the Civil 3D file with the road corridor.

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Click Open.

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In the Choose Data Sources popup, select Include All, and then click OK.

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Back in the Data Sources panel, click Refresh to display the imported data and start processing.

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If you see a popup with information about the imported surfaces, click Yes.

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In the Surface Layers dialog, expand the Terrain Surfaces folder.

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Then, drag the Uncategorized imported Civil 3D surfaces and drop them into the Ground Surface folder.

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Use the light bulb icons to toggle the display of surface layers on or off.

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Click OK.

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If the Surface Layers dialog does not pop up automatically, you can go to the Manage tab, in the Display panel, and click Surface Layers.

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The Civil 3D road corridor is now imported into InfraWorks.

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Select the road alignment to view the Civil 3D properties.

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If any data is revised or updated in Civil 3D, select the corridor in InfraWorks, right-click, and choose Re-Import.