ORIGINAL: Medicusa
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I am sorry, but after searching above I still couldnt figure out why green rail lines are not good. Doesnt green mean they work and have enough capicity left? Black is broken or not used, yellow and orange and red is higher use. So why do I have a rail line problem?
If my rail line have 12k capacity and I use around 2k every week, then it looks pretty fine to me. Also the problem never was to move enough supply. I always get 100% of what I need. The problem only is for several turns that they do not use enough trucks in my depots even though I have them plenty in my pool.
a line can be green because you have a well calibrated rail net accessing branch lines etc so the load is spread and most excess usage is cleared so its all free for the next turn. Or .. you have unused rail capacity as you lack sufficient level 2 railyards to generate the trains you need.
Since I've played the game a few times - my strong suspicion given the situation you show is that its the second situation that applies.
your combat units (incl that massive airforce commitment) may be getting what they need, but they are shedding their unit trucks to achieve it - as you are not bringing enough supply by rail to Pskov. My advice would be twofold: (a) reduce the LW commitment at such an advanced depot; and (b) reduce the supply priority of your combat HQs.
In combination that may well mean you can survive on the freight being delivered to Pskov - which will improve your mobility etc - remember that while supply < need is a problem, trucks missing from the units can have a much worse impact