HiI have problem with Overlay/Stripping component. It doesn't create bottom alternate surface (InRoads version 845). I don't have any problems with creating alternate surface from points... so I think that it is probably issue of InRoads, am I right? Best regardsJan Poślada
For more information about the Road and Site design tools, visit the Road and Site design WIKI at: http://communities.bentley.com/products/road___site_design/w/road_and_site_design__wiki