Thanks for both replies, I was looking both suggestions, I saw that train deployment mod does the job https://www.youtube.com/watch?v=G_ycaV5G-k0 but I dont like the way it does. The idea is to have a simple train assembler to do the job like an inserter does. Maybe you want something equivalent to ...

Hello everyone, I was expanding my base using a lot of trains and noticed that placing locomotives/wagons on track is not very funny (with lot of trains). I know that you can have logistics robots supply with those items, .... but factorio is made for automation, so it would be great to have somethi...