Payday 2 - Transport: Train Heist - Death Wish - Stealth Standalone Heist: RNG is a ♥♥♥♥♥, so Injini and I did this. "Love Irish Lobster - Hate.
As of Update #57, Transport: Train Heist is available as a contract from Bain on mvbookbank.org Update 57 also added new stealth elements, in addition to requiring a On Overkill and Death Wish difficulties, one of the card carrying workers is.
This mission is nearly impossible to stealth solo. Since only one of the civilians carries a keycard on deathwish, even with 2 ecms that open.