Is your feature request related to a problem? Please describe.
Actually this idea was rised while my experience riding subways in Mainland China. Here should be more blocks for closing to reality.

Describe the solution you'd like
I hope you can spend a little time for 4 new blocks: Fire hydrant box, AED box, Fire Alarm and Emergency buttons. You can also add the in-wall version block if you like.

Additional Information
Althought there won't be serious fire or other emergency problems in game, but I'd like to set up these equipments in-game so I'll really glad and appreciate it if you can add them. And while creators create Railway networks with full fire-fighting equips(at least the equips' containers) and close to MTR Mod style, it may make the tourists of this work impressed. =)