Payware Links 

ME 146 http://store.steampowered.com/app/222591/
ER 20  http://store.steampowered.com/app/222601/
BR 474.3 http://store.steampowered.com/app/325987/
Hamburg-Hannover http://store.steampowered.com/app/222588/
Hamburg-Lübeck http://store.steampowered.com/app/325988/
Berlin-Leipzig http://store.steampowered.com/app/376943/