The Block Signal

Joe Ryan, a veteran train engineer, is demoted to a flagman position after a disastrous crash-- one caused by his cowardly and opportunistic partner. Though Ryan's failing eyesight is named as the cause of the crash, he's undeterred as he designs an automatic braking invention.

Director: Frank O'Connor

Cast: Ralph Lewis, Jean Arthur, Hugh Allan, George Chesebro, Sidney Franklin, Leon Holmes, Missouri Royer

Audience-only score — full critic data not yet in the ReelXO vault.