Originally Posted by j223

I can comment on backwater train stations.

You will likely have to do some talking with whoever is manning the national id scanners. I've never had a problem getting through, typically I just show them my passport and they manually open the gate for me... sometimes they have a mobile device they can check your passport number on and sometimes they just chabuduo you through without checking.

Exiting the train stations big or small typically entails the same process since they've put exit scanners in now too.