EMERGENCY BRAKE by Metro Digital Resources Librarian • April 14, 2016 Maximum braking that can be obtained with friction brake. Once activated, emergency brakes cannot be released until the train has come to a complete stop. Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading... Related