Civil 3D Offset Alignments

by Seth Cohen,

Civil 3D offest alignments are a great way to add transitions into your design that subassemblies can then target.

I have had many users get a little confused as to how to enter the stationing.  When you first start using offset alignments, you add the full offset width stations, and not the station to station limits of the transition area.  A very easy way to add the transition after you add the offset distance, is to simply select the Transition Grips.  To make the transition grips appear, select the offset alignment, and click the large circular grip.

Click to get Transition Grips

Click to get Transition Grips

Next, select one of the Transition Segment Length grips (make sure you have Dynamic Input turned on), and type the station where the transition should begin/end, depending on which grip you select.

Transition Segment Length Grip

Transition Segment Length Grip

It’s that easy.

“Now you know, and knowing is half the battle.”  …………G.I. Joe

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About Seth Cohen: Seth is Vice President of Training  at CAD Management Resources Inc., specializing in civil engineering and CAD applications including Civil 3D®, Map 3D, AutoCAD®, MicroStation®, and InRoads®. He has conducted many classes for CAD professionals ranging from commercial to  government organizations.  If you would like to find out how he can assist you with your training needs he can be reached by contacting us at

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