19.  Remove doubles
  • Select joined duplicates
  • 3D View menu >> Mode box >> Edit Mode
  • 3D View menu >> Select >> Select/Deselect All
  • 3D View menu >> Mesh >> Vertices >> Remove Doubles
  • When we joined the original road shape and Duplicates, it might have created vertices as doubles.
20.  Clear Parent from road shape.  Keep Transformation.
  • Select road shape (Plane) 

  • 3D View menu >> Mode box >> Object Mode

  • 3D View menu >> Object >> Parent >> Clear and Keep Transformation

  • The road shape (Plane) is still parented to the road path (Bezier Curve)
21.  Delete road path
  • Select road path (Bezier Curve)

  • 3D View menu >> Object >> Delete
  • Don't delete the road path if you plan on adding guard rails, light poles, etc. to your road
  • Instead, move it to a hidden layer
  • For this tutorial, we are going to delete the road path