In a continuing effort to provide high quality products, Autodesk has released AutoCAD Civil 3D 2013 Service Pack 1, which fixes or addresses a variety of issues discovered by customers and by Autodesk's internal testing team.
This Service Pack includes all previous hotfixes for AutoCAD Civil 3D 2013. It also includes the fixes included in AutoCAD 2013 Service Pack 1.1 and AutoCAD Map 3D 2013 Service Pack 1.
Note: This update applies to all language versions and to versions of AutoCAD Civil 3D 2013 with previous hotfixes applied.
Find the download here: