AutoCAD Civil 3D 2018 vs. 2017 and prior versions

Online map data

Pressure pipe content (enhanced)

Create feature lines without having to create a site

Relative level feature line

Create pressure network data shortcuts and references

Create Vault projects at any level below the working folder

Vault support for pressure networks

Manage data shortcuts to repair broken shortcuts and replace DWG™ objects

Display vault project objects that exist in subfolders within object type

Create data references to objects that exist in different vault projects

Corridor data shortcut (DREF) (enhanced)

Centralise management and improve enforcement of design standards.

Cache DREF surface

Subfolders help organise model data

Add multiple DREFs via simple drag-and-drop operations

Import pipes and civil roads from InfraWorks 360

Export profile data to InfraWorks 360

Save files and dependency files to A360

Export data to KML and KMZ formats

Data exchange between AutoCAD Civil 3D and InfraWorks 360

Import and export IFC (Industry Foundation Class) files

Enable user created property set definitions

Integrated roundabout workflows with InfraWorks 360

Add pressure networks to plan production sheets

Plan and profile sheet generation

Save survey queries and open in survey query builder

Export and import survey query files for re-use

Point cloud object

Point cloud contextual user interface

Support for point clouds processed in ReCap (.RCS, .RCP)

Create surface from a point cloud

Create AutoCAD solids from Triangulation surfaces

Free circular vertical curve, free parabolic vertical curve, additional options

Unlock and change constraint types of vertical curves

Extend fixed and floating profile entities

Options to control how layout profile geometry is anchored

Projecting solids to profile view

Dynamic offset profiles

Connected alignments

Traverse Editor

Select the targets for a corridor from x-refs

Extract corridor solids

3D areas for corridors in quantity take-off report

Retain existing corridor targets when replacing a sub-assembly

Corridor frequency options for curved portions of baselines and offsets

Specify that sample lines are incremented

Check sight distance

New design criteria files

Select alignments by layer to be used as width and targets

Bring roundabouts into AutoCAD Civil 3D from InfraWorks 360

Use the corridor for design of site features.

Model shapes at interior/exterior corners of a design

Extract corridor Feature Line workflow

Automate the association of property data to corridor solids

Corner clean-up for corridors

Assign rate items to pressure network parts in parts list

Manage material list and materials for sample line groups

Create sections of projected AutoCAD solids

Create sliced solids of pipe networks

Control the direction of sections in section views

Offset geometry

View target parameters in preview

Apply AOR setting available for applying superelevation or cant to link

Input/output parameter types for applying superelevation

Cant tab for viewing cant effect on a rail subassembly

Loop geometry support

Create pressure networks from objects

Edit multiple pressure network parts in plan view by sliding or moving

Edit multiple pressure network parts in profile view by slope or level

Use the 3D plane compass setting to rotate the compass plane

Use the rotate grip to rotate pressure fittings and ancillaries (model)

Add pressure networks to section views

Display crossing pipes in profile view

Sort pressure network part list by size 

Create AutoCAD solids from pressure pipe networks

Create AutoCAD solids from pipe networks

Create exclusionary catchments

Pipe size and analysis

Add pressure network pipe, fitting and ancillary tables

Stagger corridor point code labels

Object reference labels can be changed in the properties palette

Control labelling reference text objects in the properties palette

Crossing pipe and pressure pipe profile view labels

Pressure pipe labels in section views

Add property set data to labels