Abstract: An enclosure system attachable to a railway vehicle to protect automobiles in the event of a collision. The enclosure system having an enclosure panel that is actuatable between a deployed configuration and a stowed configuration. A breakaway mechanism configured to allow certain components of enclosure system to release from the railway vehicle in the event of a collision with another railway vehicle to ensure the anticlimbers engage between the railway vehicles to prevent override. The enclosure system having a coupler centering assembly for maintaining a coupler in a forward position when the enclosure is in the deployed configuration.