Patches + updates Map, Civil 3D, Raster, InfraWorks, Vehicle 89MB 2097× 08.08.2019 Autodesk River and Flood Analysis Module for Autodesk Civil 3D 2019.1, HEC-RAS (Subscription) LINK External link β opens in a new browser window. The Autodesk server may require users to log in separately (with their Autodesk ID). Open Link ▶ β Close