track alignment

I am building a 2 level shelf HO layout along my basement walls. I have humidifiers, heat and A/C in the basement but humidity can vary with season On the lower level I am modelling mountainous terrain (lumber and coal) I have a frame work with 12" placed cross members for risers and cleats...

I am in the planning stages of a layout in Salt Lake City, UT. I have been looking at google maps and maps of stations on UTA's website to get track alignment and right of way information. Googles maps and a couple years old, so they are missing some newly added structures and things. What is a...