Links & FAQs Links Union Pacific Railroad Design and Construction Guidelines http://www.uprr.com/aboutup/operations/specs/track/index.shtml NRC http://www.nrcma.org/ps.home.cfm?ID=155 Look Listen Live http://oli.org BNSF Design Guidelines for Industrial Projects http://www.bnsf.com/customers/pdf/IndyTrkStds_1007a.pdf