They do have SD70ACCs, though, Blacknred81, which are rebuilt SD70 Spartan Cab units with SD70ACe cabs and AC traction motors. NS also rosters SD70Ms. I'd also like to see an NS AC44C6M (including the new livery unit), GP60, GP59/GP59ECO/GP33ECO, SD40-2 with Admiral Cab, and ET44AC.
Trust me you wouldn't want "Doesn't Test Games" aka DTG to make the SD70ACu for TSW5 as it would be garbage. NS Cab configuration is so different unlike any other Major American railroad. DTG can't even make helpers or DPU's work anything like real life. Most of meaning 96% of NS SD70ACu units were in fact UP SD90Macs Not 70's and were rebuilt 2 times in the first year of release, most don't know that, but I do as family still works in Juniata shops to this day, please someone tell me wrong!