How to open automated trains in rail signals?

[Frenzier]

I had the idea of unloading trains that are waiting for the train stop to clear, but it seems they need to open for inserters to interact with them, and they only open when they get to the train stop, is there any way to have trains opening when they stop at a rail signal? Or having something else, forcefully interacting with them, like a mod? An image bellow so you get the idea that my intention is to have 3 trains unloading and mirrored on the opposite side 3 trains loading...

[ratchetfreak]

If several stations have the same name the train will pick the closest one

with judicious use of chain signals you can make the train pick the open station when pulling in.

[Frenzier]

If several stations have the same name the train will pick the closest one

with judicious use of chain signals you can make the train pick the open station when pulling in.

Thank you for the reply, this solved the problem and even gave me ideas for other stuff.

[SuperSandro2000]

If several stations have the same name the train will pick the closest one.

The closest one that is free and not locked.