As of this post writing, the base layers all are glued to the sub-layers. To inform readers, the modules are one twelve inch by eighteen inch module along with four six inch by six inch modules. The smaller modules will have curved track on them. This will form a loop of track. Alto Pass has one main track and one passing track and one short passing track. The shortest track was probably a helper “pocket” and short term storage. The next step will be to mark out the track and put in the sub-surface channels. Turnout equipment is needed as well. Just taking one step at a time, omscaler
