For example in Sand Patch and other US freight routes timetable there are many trains which are unpowered, i. e. 7700 tons+2locos. In the harsh winter condition they are unable to pass even 0,8 gradient (slippery) ... Is it possible to put some free optional locos around for support, to couple them at the back if I find necessary.
majority of sd40s and gp38s timetables servces in SPG are unable to reach destinaton in winter condition
