There are some pending enhancement there, but meanwhile we can do what is described here:
https://communities.bentley.com/products/road___site_design/w/road_and_site_design__wiki/52655/video-hatching-components-in-cross-section
Method:
change attributes set template "Modeling\Components\Rail\TC_Rail Ballast";level element select "TC_Rail Ballast";change attributes;POINT ABSOLUTE;choose none change attributes set template "Modeling\Components\Rail\TC_Rail Subballast";level element select "TC_Rail Subballast";change attributes;POINT ABSOLUTE;choose none change attributes set template "Modeling\Components\Rail\TC_Rail 3D";level element select "TC_Rail 3D";change attributes;POINT ABSOLUTE;choose none change attributes set template "Modeling\Components\Rail\TC_Rail Wooden Sleeper";level element select "TC_Rail Wood Sleeper";change attributes;POINT ABSOLUTE;choose none change attributes set template "Modeling\Components\Rail\TC_Rail Concrete Sleeper";level element select "TC_Rail Conc Sleeper";change attributes;POINT ABSOLUTE;choose none Reset m,STScript Completed
Add my video for a quick overview: