If you want to see the working operation of a modern elevator, this map is a great option. It offers all you need to know about the elevator, including tutorials, commands description and so on.
How to Play Semi-Realistic Elevator [Redstone] Map
Founded by: mikkeeeyyyy
Watch the GIF animation of this map here.
• The sound system is automatic
• Move to the upper floor by choosing the upper button
• Move to the lower floor by choosing the lower button
• The closing door system is automatic