You can visit the AutoCAD Civil 3D 2011 product page for some information about What’s New for 2011, but here is a more complete list. I will expand upon each one of these new features over the course of the next few weeks. There are a few videos up on youtube highlighting certain Civil 3D 2011 new features- I will link to them below as well.
**You can read the highly detailed listing of Civil 3D 2011 new feature descriptions in the Civil 3D 2011 Online Users Guide**
You can also find lots of great Civil 3D 2011 commentary floating around the Civil 3D blogs. A few examples:
Operating System and Memory
- 64-bit version of Civil 3D 2011
- Improved Memory and system optimization (faster startup times and faster response times within drawing sessions. New AutoCAD® platform capabilities provide for faster display of large objects, such as point clouds and surfaces, and faster switching between viewports.)
New Alignments Features
- Automatic curve widening based on rules
- Segmented transitions around curves for offset alignments
- Improved station locking behavior on alignments
New API Features
- .NET API
New Corridors Features
- Corridor editing enhancements
- Baselines in Prospector
- Add corridor stations based on offset targets
New Data Shortcuts Features
- Associate Project To Current Drawing
- Associate Project To Multiple Drawings
New Labels Features
- Decimal character and digit grouping support
- Station Equation ID as a label and table property
New Pipe Network Features
- Split Network
- Merge Network
- Vertex Elevation Reference
New Points Features
- List Available Point Numbers
- Point group display order
- Geodetic inverse reporting
New Point Cloud Features
- Add point cloud points to surface
New Quantity Takeoff Features
- QTO based on pipe or structure depth
New Reporting Features
- Milling report
- PDF output
- LandXML Reporting Settings
New Sections Features
- Additional volumetric methods
- Gap definitions
- Create layouts from section views
- Project objects to multiple cross sections in a single operation
New Superelevation Features
- Calculate/Edit Superelevation command
- Superelevation Tabular Editor
- Superelevation views
- Superelevation bands on profile views
New Surfaces Features
- Bounded Volumes command adds support for datum elevation
New Toolspace Features
- Commands for opening and closing Toolspace tabs
- Survey Toolspace commands
- Survey Toolspace
Enhanced DGN Data Support
- Attach a DGN File as an Underlay
- Copy nested objects nested in a DGN underlay
Subscription Features
- Everything from the Civil 3D 2010 Subscription Advantage Pack is now built into Civil 3D 2011
Changes to Drawing Templates and Settings
- Several new parameters, styles, object, layers, etc. to support new object types (like Superelevation Views) and expand/enhance a few object workflows.


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