Let you know upon breakdown of a car at a level crossing in notifies the driver of the train crossing obstacle detection device, do not use smoke for fire prevention.
When you inform the car of a fault in the crossing to the train driver, news in the crossing obstacle alarm device, flares should not be used for fire prevention.
When in the crossing is known to the failure of the driver of the car, train, railroad crossing warning device at will, and should not be used for fire prevention.