The UP has about 1400 subs, leads, and spurs, including leased, foreign and abandoned lines. If you are just talking active subs its about 280, excluding industrial leads.
Dave H. Painted side goes up. My website : wnbranch.com
There are 23 divisions (or offically service units). Do you really want all the sub-divisions? Or just the sub-divisions for a specific area?
https://www.up.com/cs/groups/public/documents/up_pdf_nativedocs/pdf_service_unit_map.pdf
Is there any resouce that names and describes all the current Union Pacific Subdivisions? I have checked UP's website and all the Google links. Any suggestions?