Same issue on PS4 version on PS5, I noticed the trucks head to another building spawn point and then make a direct beeline to their facility going across roads, which halts traffic, and going through buildings, when they reach their building they mess up other trucks there too, train traffic is horrendous too, trains are full to the brim (which I do like rather than 10% full) which cause a massive surge in trucks to the station already having issues, too many cargo trains and they despawn a lot or are missing carriages (and I've never reached this limit on trains before).
Turned off cargo stations, deleted them, let the simulation run but issues return once I rebuild stations.