Built my first crossing and designed it so that it would work in the staging yard on two curved tracks there. I'll have to say this is a harder build than the turnouts I've done to this point. Lots going on in the center of the crossing. Here is a link to the build for those interested in more details ... http://1fatgmc.com/RailRoad/Trackwork/page-16.html I'll add a few pictures here but there are 25 total if you go to the link above. .... the link to more about this build... http://1fatgmc.com/RailRoad/Trackwork/page-16.html Sumner