Thx for the fast response, all your answeres were really useful. Hopfully i can build a working train network now

(I'm a Factorio newbie) so I have been trying to build a modular train network, with blocks in which I can place factories and other production facilities. This far I am letting the trains run for a bit with different train stop orders (sample: 1-2-3-4-5-6-7-8-9-10-11-12, 12-11-10-9-8-7-6-5-4-3-2-1 ...