An emergency exit in a building or other structure is a special exit used during emergencies such as fires. The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible.
Emergency exit in Universitetet metro station in Stockholm
A fire escape is a type of external emergency exit
Sign for an emergency down stairs evacuation device for disabled people
An emergency door release call point in Limonest, Rhône, France
A crash bar is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
Crash bar doors in a school, with upper vertical rod latches
Doors with electromagnetic exit bars
Automatic sliding doors with crash bars
Cross bar style exit doors in Turkey