April 3, 2012 - Autodesk today released AutoCAD Civil 3D 2013 and AutoCAD Map 3D 2013 to subscription customers.
AutoCAD Civil 3D 2013 are AutoCAD Map 3D 2013 are now both officially on the street.
Both 32 and 64-bit versions are available via download from the Subscription Center
The Jump on Civil 3D blog contains lots of information about what's new in 2013