... prototype companies. It's not usual to have two separate timbers end-to-end because it makes packing difficult. If a long timber is not available, the two shorter timbers would be half-spliced together to make a single long timber. The joint is often made by bolting old fishplates top and bottom through the splice. A detail not often modelled. If you post a screenshot we can see more clearly what you are asking. regards, Martin. posted: 21 Jul 2014 13:38 from: Michael Woolford 2786_210728_100000000.png This screenshot shows the layout of the crossovers that I have been referring to. You can see that there are two separate crossovers that have both sets of long timbers conflicting each other in certain positions. Michael Last edited on 21 Jul 2014 13:39 by Michael Woolford posted: 21 Jul 2014 14:02 from: Martin Wynne Michael Woolford wrote: This screenshot shows the layout of the crossovers that I have been referring to. You can see that there are two separate crossovers that have both sets of long timbers conflicting ...