Elevator blocks

I was thinking it would be very simple to standardize the whole elevator process by adding 2 new blocks: elevator controller and elevator stop.
The elevator control would be placed inside the elevator and linked to the various stops, and could be used to designate which floor to move to in a similar fashion to the transporters. It could also be used as a call button outside of the elevator.
The elevator stops would be attached to the rail and work like a combination of an AND gate and an...

Elevator blocks