Well no if I read your question right. There isn’t an “unload all” option. It’s pick up and drop off only. I use trucks to deliver goods and generally trains to bring raw mats to the goods hubs. I have three trains on a single 1 way line bringing 400 oil to a refinery producing 400 goods. I then have about 7 or 8 cities being served from that goods hub delivering the finished product into the city.
You can’t for example deliver wood to a platform and have trucks bring it the rest of the way to a sawmill.
