Monorail: Facility Transport

From Doom Wiki

Doom 3 maps
Mars City: Intro 1 2 3 Alpha Labs: 1 2 3 4 Enpro Communications: 1 2 Monorail/Recycling: 1 2 3 Delta Labs: 1 2a 2b 3 4 Hell Delta Complex Central Processing: 1 2 Excavation: 1 2 3 End

Monorail: Facility Transport is the fourteenth level of Doom 3. Player must take it to reach the Delta Labs by monorail. Commando zombies first appear here.