> Sweden/Denmark regional trains are just a button in the door that lights up when you can press to open (only when stopped). To be fair, the majority of the t

> Sweden/Denmark regional trains are just a button in the door that lights up when you can press to open (only when stopped). To be fair, the majority of the trains I've been on here in the UK work like this too (and all of the London Underground trains work this way). It seems that the externally-handled carriages mentioned in the article are being phased out.