AutoCAD
 Civil 3D software, the building information modeling (BIM) solution for
 civil engineering, helps teams deliver higher-quality transportation, 
land development, and environmental projects faster. Its model-based 
approach helps keep project information coordinated while delivering 
higher-quality documentation and visualizations. AutoCAD Civil 3D helps 
users gain the competitive advantage of BIM to deliver more innovative 
project solutions.  Key new features include:  
o    Scalability and performance improvements, as well as an optimized 64-bit version of Civil 3D
o    Tools to better manage the creation and editing of corridors
o    Enhanced superelevation functionality that provides a dynamic link to the alignment and flexible editing options